21501688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 24765512

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 89, 92, 101, 104, 178, 184, 202, 299, 356, 404, 598, 712, 808, 1157, 1196, 1313, 2047, 2314, 2323, 2392, 2626, 4094, 4628, 4646, 5252, 8188, 8989, 9256, 9292, 10504, 16376, 17978, 18584, 26611, 30199, 35956, 53222, 60398, 71912, 106444, 116857, 120796, 206747, 212888, 233714, 241592, 413494, 467428, 826988, 934856, 1653976, 2687711, 5375422, 10750844, 21501688]

約数ペア:

[(1, 21501688), (2, 10750844), (4, 5375422), (8, 2687711), (13, 1653976), (23, 934856), (26, 826988), (46, 467428), (52, 413494), (89, 241592), (92, 233714), (101, 212888), (104, 206747), (178, 120796), (184, 116857), (202, 106444), (299, 71912), (356, 60398), (404, 53222), (598, 35956), (712, 30199), (808, 26611), (1157, 18584), (1196, 17978), (1313, 16376), (2047, 10504), (2314, 9292), (2323, 9256), (2392, 8989), (2626, 8188), (4094, 5252), (4628, 4646)]