21529472

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 45826560

約数和(自身を除く): 24297088

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 71, 92, 103, 128, 142, 184, 206, 284, 368, 412, 568, 736, 824, 1136, 1472, 1633, 1648, 2272, 2369, 2944, 3266, 3296, 4544, 4738, 6532, 6592, 7313, 9088, 9476, 13064, 13184, 14626, 18952, 26128, 29252, 37904, 52256, 58504, 75808, 104512, 117008, 151616, 168199, 209024, 234016, 303232, 336398, 468032, 672796, 936064, 1345592, 2691184, 5382368, 10764736, 21529472]

約数ペア:

[(1, 21529472), (2, 10764736), (4, 5382368), (8, 2691184), (16, 1345592), (23, 936064), (32, 672796), (46, 468032), (64, 336398), (71, 303232), (92, 234016), (103, 209024), (128, 168199), (142, 151616), (184, 117008), (206, 104512), (284, 75808), (368, 58504), (412, 52256), (568, 37904), (736, 29252), (824, 26128), (1136, 18952), (1472, 14626), (1633, 13184), (1648, 13064), (2272, 9476), (2369, 9088), (2944, 7313), (3266, 6592), (3296, 6532), (4544, 4738)]