21927464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 25246936

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 89, 92, 103, 104, 178, 184, 206, 299, 356, 412, 598, 712, 824, 1157, 1196, 1339, 2047, 2314, 2369, 2392, 2678, 4094, 4628, 4738, 5356, 8188, 9167, 9256, 9476, 10712, 16376, 18334, 18952, 26611, 30797, 36668, 53222, 61594, 73336, 106444, 119171, 123188, 210841, 212888, 238342, 246376, 421682, 476684, 843364, 953368, 1686728, 2740933, 5481866, 10963732, 21927464]

約数ペア:

[(1, 21927464), (2, 10963732), (4, 5481866), (8, 2740933), (13, 1686728), (23, 953368), (26, 843364), (46, 476684), (52, 421682), (89, 246376), (92, 238342), (103, 212888), (104, 210841), (178, 123188), (184, 119171), (206, 106444), (299, 73336), (356, 61594), (412, 53222), (598, 36668), (712, 30797), (824, 26611), (1157, 18952), (1196, 18334), (1339, 16376), (2047, 10712), (2314, 9476), (2369, 9256), (2392, 9167), (2678, 8188), (4094, 5356), (4628, 4738)]