21754890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 37999350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 47, 74, 90, 94, 111, 139, 141, 185, 222, 235, 278, 282, 333, 370, 417, 423, 470, 555, 666, 695, 705, 834, 846, 1110, 1251, 1390, 1410, 1665, 1739, 2085, 2115, 2502, 3330, 3478, 4170, 4230, 5143, 5217, 6255, 6533, 8695, 10286, 10434, 12510, 13066, 15429, 15651, 17390, 19599, 25715, 26085, 30858, 31302, 32665, 39198, 46287, 51430, 52170, 58797, 65330, 77145, 78255, 92574, 97995, 117594, 154290, 156510, 195990, 231435, 241721, 293985, 462870, 483442, 587970, 725163, 1208605, 1450326, 2175489, 2417210, 3625815, 4350978, 7251630, 10877445, 21754890]

約数ペア:

[(1, 21754890), (2, 10877445), (3, 7251630), (5, 4350978), (6, 3625815), (9, 2417210), (10, 2175489), (15, 1450326), (18, 1208605), (30, 725163), (37, 587970), (45, 483442), (47, 462870), (74, 293985), (90, 241721), (94, 231435), (111, 195990), (139, 156510), (141, 154290), (185, 117594), (222, 97995), (235, 92574), (278, 78255), (282, 77145), (333, 65330), (370, 58797), (417, 52170), (423, 51430), (470, 46287), (555, 39198), (666, 32665), (695, 31302), (705, 30858), (834, 26085), (846, 25715), (1110, 19599), (1251, 17390), (1390, 15651), (1410, 15429), (1665, 13066), (1739, 12510), (2085, 10434), (2115, 10286), (2502, 8695), (3330, 6533), (3478, 6255), (4170, 5217), (4230, 5143)]