21571264

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2357}}^1$

素因数の和:2393

約数の個数: 56

約数和(自身を含む): 50310288

約数和(自身を除く): 28739024

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 2288, 2357, 4576, 4714, 9152, 9428, 18856, 25927, 30641, 37712, 51854, 61282, 75424, 103708, 122564, 150848, 207416, 245128, 337051, 414832, 490256, 674102, 829664, 980512, 1348204, 1659328, 1961024, 2696408, 5392816, 10785632, 21571264]

約数ペア:

[(1, 21571264), (2, 10785632), (4, 5392816), (8, 2696408), (11, 1961024), (13, 1659328), (16, 1348204), (22, 980512), (26, 829664), (32, 674102), (44, 490256), (52, 414832), (64, 337051), (88, 245128), (104, 207416), (143, 150848), (176, 122564), (208, 103708), (286, 75424), (352, 61282), (416, 51854), (572, 37712), (704, 30641), (832, 25927), (1144, 18856), (2288, 9428), (2357, 9152), (4576, 4714)]