21329384

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1033}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 41877000

約数和(自身を除く): 20547616

約数列:

[1, 2, 4, 8, 29, 58, 89, 116, 178, 232, 356, 712, 1033, 2066, 2581, 4132, 5162, 8264, 10324, 20648, 29957, 59914, 91937, 119828, 183874, 239656, 367748, 735496, 2666173, 5332346, 10664692, 21329384]

約数ペア:

[(1, 21329384), (2, 10664692), (4, 5332346), (8, 2666173), (29, 735496), (58, 367748), (89, 239656), (116, 183874), (178, 119828), (232, 91937), (356, 59914), (712, 29957), (1033, 20648), (2066, 10324), (2581, 8264), (4132, 5162)]