21954152

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{787}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 45105120

約数和(自身を除く): 23150968

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 317, 634, 787, 1268, 1574, 2536, 3148, 3487, 6296, 6974, 8657, 13948, 17314, 27896, 34628, 69256, 249479, 498958, 997916, 1995832, 2744269, 5488538, 10977076, 21954152]

約数ペア:

[(1, 21954152), (2, 10977076), (4, 5488538), (8, 2744269), (11, 1995832), (22, 997916), (44, 498958), (88, 249479), (317, 69256), (634, 34628), (787, 27896), (1268, 17314), (1574, 13948), (2536, 8657), (3148, 6974), (3487, 6296)]