21497639264

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{369731}}^1$

素因数の和:369843

約数の個数: 48

約数和(自身を含む): 44722782720

約数和(自身を除く): 23225143456

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 79, 92, 158, 184, 316, 368, 632, 736, 1264, 1817, 2528, 3634, 7268, 14536, 29072, 58144, 369731, 739462, 1478924, 2957848, 5915696, 8503813, 11831392, 17007626, 29208749, 34015252, 58417498, 68030504, 116834996, 136061008, 233669992, 272122016, 467339984, 671801227, 934679968, 1343602454, 2687204908, 5374409816, 10748819632, 21497639264]

約数ペア:

[(1, 21497639264), (2, 10748819632), (4, 5374409816), (8, 2687204908), (16, 1343602454), (23, 934679968), (32, 671801227), (46, 467339984), (79, 272122016), (92, 233669992), (158, 136061008), (184, 116834996), (316, 68030504), (368, 58417498), (632, 34015252), (736, 29208749), (1264, 17007626), (1817, 11831392), (2528, 8503813), (3634, 5915696), (7268, 2957848), (14536, 1478924), (29072, 739462), (58144, 369731)]