21459504

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 61246080

約数和(自身を除く): 39786576

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 97, 132, 176, 194, 264, 291, 388, 419, 528, 582, 776, 838, 1067, 1164, 1257, 1552, 1676, 2134, 2328, 2514, 3201, 3352, 4268, 4609, 4656, 5028, 6402, 6704, 8536, 9218, 10056, 12804, 13827, 17072, 18436, 20112, 25608, 27654, 36872, 40643, 51216, 55308, 73744, 81286, 110616, 121929, 162572, 221232, 243858, 325144, 447073, 487716, 650288, 894146, 975432, 1341219, 1788292, 1950864, 2682438, 3576584, 5364876, 7153168, 10729752, 21459504]

約数ペア:

[(1, 21459504), (2, 10729752), (3, 7153168), (4, 5364876), (6, 3576584), (8, 2682438), (11, 1950864), (12, 1788292), (16, 1341219), (22, 975432), (24, 894146), (33, 650288), (44, 487716), (48, 447073), (66, 325144), (88, 243858), (97, 221232), (132, 162572), (176, 121929), (194, 110616), (264, 81286), (291, 73744), (388, 55308), (419, 51216), (528, 40643), (582, 36872), (776, 27654), (838, 25608), (1067, 20112), (1164, 18436), (1257, 17072), (1552, 13827), (1676, 12804), (2134, 10056), (2328, 9218), (2514, 8536), (3201, 6704), (3352, 6402), (4268, 5028), (4609, 4656)]