21218362

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 35872704

約数和(自身を除く): 14654342

約数列:

[1, 2, 11, 22, 61, 97, 122, 163, 194, 326, 671, 1067, 1342, 1793, 2134, 3586, 5917, 9943, 11834, 15811, 19886, 31622, 65087, 109373, 130174, 173921, 218746, 347842, 964471, 1928942, 10609181, 21218362]

約数ペア:

[(1, 21218362), (2, 10609181), (11, 1928942), (22, 964471), (61, 347842), (97, 218746), (122, 173921), (163, 130174), (194, 109373), (326, 65087), (671, 31622), (1067, 19886), (1342, 15811), (1793, 11834), (2134, 9943), (3586, 5917)]