21000422704

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{607}}^1\times {\mathrm{58441}}^1$

素因数の和:59093

約数の個数: 40

約数和(自身を含む): 41857563008

約数和(自身を除く): 20857140304

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 607, 1214, 2428, 4856, 9712, 22459, 44918, 58441, 89836, 116882, 179672, 233764, 359344, 467528, 935056, 2162317, 4324634, 8649268, 17298536, 34597072, 35473687, 70947374, 141894748, 283789496, 567578992, 1312526419, 2625052838, 5250105676, 10500211352, 21000422704]

約数ペア:

[(1, 21000422704), (2, 10500211352), (4, 5250105676), (8, 2625052838), (16, 1312526419), (37, 567578992), (74, 283789496), (148, 141894748), (296, 70947374), (592, 35473687), (607, 34597072), (1214, 17298536), (2428, 8649268), (4856, 4324634), (9712, 2162317), (22459, 935056), (44918, 467528), (58441, 359344), (89836, 233764), (116882, 179672)]