21442190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27847}}^1$

素因数の和:27872

約数の個数: 32

約数和(自身を含む): 48121344

約数和(自身を除く): 26679154

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27847, 55694, 139235, 194929, 278470, 306317, 389858, 612634, 974645, 1531585, 1949290, 2144219, 3063170, 4288438, 10721095, 21442190]

約数ペア:

[(1, 21442190), (2, 10721095), (5, 4288438), (7, 3063170), (10, 2144219), (11, 1949290), (14, 1531585), (22, 974645), (35, 612634), (55, 389858), (70, 306317), (77, 278470), (110, 194929), (154, 139235), (385, 55694), (770, 27847)]