21096660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 192

約数和(自身を含む): 70785792

約数和(自身を除く): 49689132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 37, 39, 43, 51, 52, 60, 65, 68, 74, 78, 85, 86, 102, 111, 129, 130, 148, 156, 170, 172, 185, 195, 204, 215, 221, 222, 255, 258, 260, 340, 370, 390, 430, 442, 444, 481, 510, 516, 555, 559, 629, 645, 663, 731, 740, 780, 860, 884, 962, 1020, 1105, 1110, 1118, 1258, 1290, 1326, 1443, 1462, 1591, 1677, 1887, 1924, 2193, 2210, 2220, 2236, 2405, 2516, 2580, 2652, 2795, 2886, 2924, 3145, 3182, 3315, 3354, 3655, 3774, 4386, 4420, 4773, 4810, 5590, 5772, 6290, 6364, 6630, 6708, 7215, 7310, 7548, 7955, 8177, 8385, 8772, 9435, 9503, 9546, 9620, 10965, 11180, 12580, 13260, 14430, 14620, 15910, 16354, 16770, 18870, 19006, 19092, 20683, 21930, 23865, 24531, 27047, 28509, 28860, 31820, 32708, 33540, 37740, 38012, 40885, 41366, 43860, 47515, 47730, 49062, 54094, 57018, 62049, 81141, 81770, 82732, 95030, 95460, 98124, 103415, 108188, 114036, 122655, 124098, 135235, 142545, 162282, 163540, 190060, 206830, 245310, 248196, 270470, 285090, 310245, 324564, 351611, 405705, 413660, 490620, 540940, 570180, 620490, 703222, 811410, 1054833, 1240980, 1406444, 1622820, 1758055, 2109666, 3516110, 4219332, 5274165, 7032220, 10548330, 21096660]

約数ペア:

[(1, 21096660), (2, 10548330), (3, 7032220), (4, 5274165), (5, 4219332), (6, 3516110), (10, 2109666), (12, 1758055), (13, 1622820), (15, 1406444), (17, 1240980), (20, 1054833), (26, 811410), (30, 703222), (34, 620490), (37, 570180), (39, 540940), (43, 490620), (51, 413660), (52, 405705), (60, 351611), (65, 324564), (68, 310245), (74, 285090), (78, 270470), (85, 248196), (86, 245310), (102, 206830), (111, 190060), (129, 163540), (130, 162282), (148, 142545), (156, 135235), (170, 124098), (172, 122655), (185, 114036), (195, 108188), (204, 103415), (215, 98124), (221, 95460), (222, 95030), (255, 82732), (258, 81770), (260, 81141), (340, 62049), (370, 57018), (390, 54094), (430, 49062), (442, 47730), (444, 47515), (481, 43860), (510, 41366), (516, 40885), (555, 38012), (559, 37740), (629, 33540), (645, 32708), (663, 31820), (731, 28860), (740, 28509), (780, 27047), (860, 24531), (884, 23865), (962, 21930), (1020, 20683), (1105, 19092), (1110, 19006), (1118, 18870), (1258, 16770), (1290, 16354), (1326, 15910), (1443, 14620), (1462, 14430), (1591, 13260), (1677, 12580), (1887, 11180), (1924, 10965), (2193, 9620), (2210, 9546), (2220, 9503), (2236, 9435), (2405, 8772), (2516, 8385), (2580, 8177), (2652, 7955), (2795, 7548), (2886, 7310), (2924, 7215), (3145, 6708), (3182, 6630), (3315, 6364), (3354, 6290), (3655, 5772), (3774, 5590), (4386, 4810), (4420, 4773)]