21123586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 15371774

約数列:

[1, 2, 11, 22, 31, 47, 62, 94, 341, 517, 659, 682, 1034, 1318, 1457, 2914, 7249, 14498, 16027, 20429, 30973, 32054, 40858, 61946, 224719, 340703, 449438, 681406, 960163, 1920326, 10561793, 21123586]

約数ペア:

[(1, 21123586), (2, 10561793), (11, 1920326), (22, 960163), (31, 681406), (47, 449438), (62, 340703), (94, 224719), (341, 61946), (517, 40858), (659, 32054), (682, 30973), (1034, 20429), (1318, 16027), (1457, 14498), (2914, 7249)]