21935560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 52202880

約数和(自身を除く): 30267320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 113, 115, 184, 211, 226, 230, 422, 452, 460, 565, 844, 904, 920, 1055, 1130, 1688, 2110, 2260, 2599, 4220, 4520, 4853, 5198, 8440, 9706, 10396, 12995, 19412, 20792, 23843, 24265, 25990, 38824, 47686, 48530, 51980, 95372, 97060, 103960, 119215, 190744, 194120, 238430, 476860, 548389, 953720, 1096778, 2193556, 2741945, 4387112, 5483890, 10967780, 21935560]

約数ペア:

[(1, 21935560), (2, 10967780), (4, 5483890), (5, 4387112), (8, 2741945), (10, 2193556), (20, 1096778), (23, 953720), (40, 548389), (46, 476860), (92, 238430), (113, 194120), (115, 190744), (184, 119215), (211, 103960), (226, 97060), (230, 95372), (422, 51980), (452, 48530), (460, 47686), (565, 38824), (844, 25990), (904, 24265), (920, 23843), (1055, 20792), (1130, 19412), (1688, 12995), (2110, 10396), (2260, 9706), (2599, 8440), (4220, 5198), (4520, 4853)]