21123043552

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{2273}}^1$

素因数の和:2636

約数の個数: 96

約数和(自身を含む): 45488550240

約数和(自身を除く): 24365506688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 89, 104, 178, 208, 251, 356, 416, 502, 712, 1004, 1157, 1424, 2008, 2273, 2314, 2848, 3263, 4016, 4546, 4628, 6526, 8032, 9092, 9256, 13052, 18184, 18512, 22339, 26104, 29549, 36368, 37024, 44678, 52208, 59098, 72736, 89356, 104416, 118196, 178712, 202297, 236392, 290407, 357424, 404594, 472784, 570523, 580814, 714848, 809188, 945568, 1141046, 1161628, 1618376, 2282092, 2323256, 2629861, 3236752, 4564184, 4646512, 5259722, 6473504, 7416799, 9128368, 9293024, 10519444, 14833598, 18256736, 21038888, 29667196, 42077776, 50776547, 59334392, 84155552, 101553094, 118668784, 203106188, 237337568, 406212376, 660095111, 812424752, 1320190222, 1624849504, 2640380444, 5280760888, 10561521776, 21123043552]

約数ペア:

[(1, 21123043552), (2, 10561521776), (4, 5280760888), (8, 2640380444), (13, 1624849504), (16, 1320190222), (26, 812424752), (32, 660095111), (52, 406212376), (89, 237337568), (104, 203106188), (178, 118668784), (208, 101553094), (251, 84155552), (356, 59334392), (416, 50776547), (502, 42077776), (712, 29667196), (1004, 21038888), (1157, 18256736), (1424, 14833598), (2008, 10519444), (2273, 9293024), (2314, 9128368), (2848, 7416799), (3263, 6473504), (4016, 5259722), (4546, 4646512), (4628, 4564184), (6526, 3236752), (8032, 2629861), (9092, 2323256), (9256, 2282092), (13052, 1618376), (18184, 1161628), (18512, 1141046), (22339, 945568), (26104, 809188), (29549, 714848), (36368, 580814), (37024, 570523), (44678, 472784), (52208, 404594), (59098, 357424), (72736, 290407), (89356, 236392), (104416, 202297), (118196, 178712)]