21907526

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 36132480

約数和(自身を除く): 14224954

約数列:

[1, 2, 17, 34, 59, 67, 118, 134, 163, 326, 1003, 1139, 2006, 2278, 2771, 3953, 5542, 7906, 9617, 10921, 19234, 21842, 67201, 134402, 163489, 185657, 326978, 371314, 644339, 1288678, 10953763, 21907526]

約数ペア:

[(1, 21907526), (2, 10953763), (17, 1288678), (34, 644339), (59, 371314), (67, 326978), (118, 185657), (134, 163489), (163, 134402), (326, 67201), (1003, 21842), (1139, 19234), (2006, 10921), (2278, 9617), (2771, 7906), (3953, 5542)]