21876178544

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{664687}}^1$

素因数の和:664734

約数の個数: 60

約数和(自身を含む): 49329155232

約数和(自身を除く): 27452976688

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 121, 136, 176, 187, 242, 272, 374, 484, 748, 968, 1496, 1936, 2057, 2992, 4114, 8228, 16456, 32912, 664687, 1329374, 2658748, 5317496, 7311557, 10634992, 11299679, 14623114, 22599358, 29246228, 45198716, 58492456, 80427127, 90397432, 116984912, 124296469, 160854254, 180794864, 248592938, 321708508, 497185876, 643417016, 994371752, 1286834032, 1367261159, 1988743504, 2734522318, 5469044636, 10938089272, 21876178544]

約数ペア:

[(1, 21876178544), (2, 10938089272), (4, 5469044636), (8, 2734522318), (11, 1988743504), (16, 1367261159), (17, 1286834032), (22, 994371752), (34, 643417016), (44, 497185876), (68, 321708508), (88, 248592938), (121, 180794864), (136, 160854254), (176, 124296469), (187, 116984912), (242, 90397432), (272, 80427127), (374, 58492456), (484, 45198716), (748, 29246228), (968, 22599358), (1496, 14623114), (1936, 11299679), (2057, 10634992), (2992, 7311557), (4114, 5317496), (8228, 2658748), (16456, 1329374), (32912, 664687)]