21706552

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^2$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 49578480

約数和(自身を除く): 27871928

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 151, 238, 302, 476, 604, 952, 1057, 1208, 2114, 2567, 4228, 5134, 8456, 10268, 17969, 20536, 22801, 35938, 45602, 71876, 91204, 143752, 159607, 182408, 319214, 387617, 638428, 775234, 1276856, 1550468, 2713319, 3100936, 5426638, 10853276, 21706552]

約数ペア:

[(1, 21706552), (2, 10853276), (4, 5426638), (7, 3100936), (8, 2713319), (14, 1550468), (17, 1276856), (28, 775234), (34, 638428), (56, 387617), (68, 319214), (119, 182408), (136, 159607), (151, 143752), (238, 91204), (302, 71876), (476, 45602), (604, 35938), (952, 22801), (1057, 20536), (1208, 17969), (2114, 10268), (2567, 8456), (4228, 5134)]