21085385940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{74093}}^1$

素因数の和:74159

約数の個数: 192

約数和(自身を含む): 71699281920

約数和(自身を除く): 50613895980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 45, 51, 54, 60, 62, 68, 85, 90, 93, 102, 108, 124, 135, 153, 155, 170, 180, 186, 204, 255, 270, 279, 306, 310, 340, 372, 459, 465, 510, 527, 540, 558, 612, 620, 765, 837, 918, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1674, 1836, 1860, 2108, 2295, 2635, 2790, 3060, 3162, 3348, 4185, 4590, 4743, 5270, 5580, 6324, 7905, 8370, 9180, 9486, 10540, 14229, 15810, 16740, 18972, 23715, 28458, 31620, 47430, 56916, 71145, 74093, 94860, 142290, 148186, 222279, 284580, 296372, 370465, 444558, 666837, 740930, 889116, 1111395, 1259581, 1333674, 1481860, 2000511, 2222790, 2296883, 2519162, 2667348, 3334185, 3778743, 4001022, 4445580, 4593766, 5038324, 6297905, 6668370, 6890649, 7557486, 8002044, 9187532, 10002555, 11336229, 11484415, 12595810, 13336740, 13781298, 15114972, 18893715, 20005110, 20671947, 22672458, 22968830, 25191620, 27562596, 34008687, 34453245, 37787430, 39047011, 40010220, 41343894, 45344916, 45937660, 56681145, 62015841, 68017374, 68906490, 75574860, 78094022, 82687788, 103359735, 113362290, 117141033, 124031682, 136034748, 137812980, 156188044, 170043435, 195235055, 206719470, 226724580, 234282066, 248063364, 310079205, 340086870, 351423099, 390470110, 413438940, 468564132, 585705165, 620158410, 680173740, 702846198, 780940220, 1054269297, 1171410330, 1240316820, 1405692396, 1757115495, 2108538594, 2342820660, 3514230990, 4217077188, 5271346485, 7028461980, 10542692970, 21085385940]

約数ペア:

[(1, 21085385940), (2, 10542692970), (3, 7028461980), (4, 5271346485), (5, 4217077188), (6, 3514230990), (9, 2342820660), (10, 2108538594), (12, 1757115495), (15, 1405692396), (17, 1240316820), (18, 1171410330), (20, 1054269297), (27, 780940220), (30, 702846198), (31, 680173740), (34, 620158410), (36, 585705165), (45, 468564132), (51, 413438940), (54, 390470110), (60, 351423099), (62, 340086870), (68, 310079205), (85, 248063364), (90, 234282066), (93, 226724580), (102, 206719470), (108, 195235055), (124, 170043435), (135, 156188044), (153, 137812980), (155, 136034748), (170, 124031682), (180, 117141033), (186, 113362290), (204, 103359735), (255, 82687788), (270, 78094022), (279, 75574860), (306, 68906490), (310, 68017374), (340, 62015841), (372, 56681145), (459, 45937660), (465, 45344916), (510, 41343894), (527, 40010220), (540, 39047011), (558, 37787430), (612, 34453245), (620, 34008687), (765, 27562596), (837, 25191620), (918, 22968830), (930, 22672458), (1020, 20671947), (1054, 20005110), (1116, 18893715), (1395, 15114972), (1530, 13781298), (1581, 13336740), (1674, 12595810), (1836, 11484415), (1860, 11336229), (2108, 10002555), (2295, 9187532), (2635, 8002044), (2790, 7557486), (3060, 6890649), (3162, 6668370), (3348, 6297905), (4185, 5038324), (4590, 4593766), (4743, 4445580), (5270, 4001022), (5580, 3778743), (6324, 3334185), (7905, 2667348), (8370, 2519162), (9180, 2296883), (9486, 2222790), (10540, 2000511), (14229, 1481860), (15810, 1333674), (16740, 1259581), (18972, 1111395), (23715, 889116), (28458, 740930), (31620, 666837), (47430, 444558), (56916, 370465), (71145, 296372), (74093, 284580), (94860, 222279), (142290, 148186)]