21709056

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1229}}^1$

素因数の和:1271

約数の個数: 72

約数和(自身を含む): 60338880

約数和(自身を除く): 38629824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 552, 736, 768, 1104, 1229, 1472, 2208, 2458, 2944, 3687, 4416, 4916, 5888, 7374, 8832, 9832, 14748, 17664, 19664, 28267, 29496, 39328, 56534, 58992, 78656, 84801, 113068, 117984, 157312, 169602, 226136, 235968, 314624, 339204, 452272, 471936, 678408, 904544, 943872, 1356816, 1809088, 2713632, 3618176, 5427264, 7236352, 10854528, 21709056]

約数ペア:

[(1, 21709056), (2, 10854528), (3, 7236352), (4, 5427264), (6, 3618176), (8, 2713632), (12, 1809088), (16, 1356816), (23, 943872), (24, 904544), (32, 678408), (46, 471936), (48, 452272), (64, 339204), (69, 314624), (92, 235968), (96, 226136), (128, 169602), (138, 157312), (184, 117984), (192, 113068), (256, 84801), (276, 78656), (368, 58992), (384, 56534), (552, 39328), (736, 29496), (768, 28267), (1104, 19664), (1229, 17664), (1472, 14748), (2208, 9832), (2458, 8832), (2944, 7374), (3687, 5888), (4416, 4916)]