21841627760

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3845357}}^1$

素因数の和:3845441

約数の個数: 40

約数和(自身を含む): 51497034336

約数和(自身を除く): 29655406576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 3845357, 7690714, 15381428, 19226785, 30762856, 38453570, 61525712, 76907140, 153814280, 273020347, 307628560, 546040694, 1092081388, 1365101735, 2184162776, 2730203470, 4368325552, 5460406940, 10920813880, 21841627760]

約数ペア:

[(1, 21841627760), (2, 10920813880), (4, 5460406940), (5, 4368325552), (8, 2730203470), (10, 2184162776), (16, 1365101735), (20, 1092081388), (40, 546040694), (71, 307628560), (80, 273020347), (142, 153814280), (284, 76907140), (355, 61525712), (568, 38453570), (710, 30762856), (1136, 19226785), (1420, 15381428), (2840, 7690714), (5680, 3845357)]