21712230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:670

約数の個数: 96

約数和(自身を含む): 62472384

約数和(自身を除く): 40760154

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 23, 30, 34, 45, 46, 51, 69, 85, 90, 102, 115, 138, 153, 170, 207, 230, 255, 306, 345, 391, 414, 510, 617, 690, 765, 782, 1035, 1173, 1234, 1530, 1851, 1955, 2070, 2346, 3085, 3519, 3702, 3910, 5553, 5865, 6170, 7038, 9255, 10489, 11106, 11730, 14191, 17595, 18510, 20978, 27765, 28382, 31467, 35190, 42573, 52445, 55530, 62934, 70955, 85146, 94401, 104890, 127719, 141910, 157335, 188802, 212865, 241247, 255438, 314670, 425730, 472005, 482494, 638595, 723741, 944010, 1206235, 1277190, 1447482, 2171223, 2412470, 3618705, 4342446, 7237410, 10856115, 21712230]

約数ペア:

[(1, 21712230), (2, 10856115), (3, 7237410), (5, 4342446), (6, 3618705), (9, 2412470), (10, 2171223), (15, 1447482), (17, 1277190), (18, 1206235), (23, 944010), (30, 723741), (34, 638595), (45, 482494), (46, 472005), (51, 425730), (69, 314670), (85, 255438), (90, 241247), (102, 212865), (115, 188802), (138, 157335), (153, 141910), (170, 127719), (207, 104890), (230, 94401), (255, 85146), (306, 70955), (345, 62934), (391, 55530), (414, 52445), (510, 42573), (617, 35190), (690, 31467), (765, 28382), (782, 27765), (1035, 20978), (1173, 18510), (1234, 17595), (1530, 14191), (1851, 11730), (1955, 11106), (2070, 10489), (2346, 9255), (3085, 7038), (3519, 6170), (3702, 5865), (3910, 5553)]