21137842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{829}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 37051200

約数和(自身を除く): 15913358

約数列:

[1, 2, 11, 19, 22, 38, 61, 122, 209, 418, 671, 829, 1159, 1342, 1658, 2318, 9119, 12749, 15751, 18238, 25498, 31502, 50569, 101138, 173261, 346522, 556259, 960811, 1112518, 1921622, 10568921, 21137842]

約数ペア:

[(1, 21137842), (2, 10568921), (11, 1921622), (19, 1112518), (22, 960811), (38, 556259), (61, 346522), (122, 173261), (209, 101138), (418, 50569), (671, 31502), (829, 25498), (1159, 18238), (1342, 15751), (1658, 12749), (2318, 9119)]