21517652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 44217600

約数和(自身を除く): 22699948

約数列:

[1, 2, 4, 13, 19, 26, 29, 38, 52, 58, 76, 116, 247, 377, 494, 551, 751, 754, 988, 1102, 1502, 1508, 2204, 3004, 7163, 9763, 14269, 14326, 19526, 21779, 28538, 28652, 39052, 43558, 57076, 87116, 185497, 283127, 370994, 413801, 566254, 741988, 827602, 1132508, 1655204, 5379413, 10758826, 21517652]

約数ペア:

[(1, 21517652), (2, 10758826), (4, 5379413), (13, 1655204), (19, 1132508), (26, 827602), (29, 741988), (38, 566254), (52, 413801), (58, 370994), (76, 283127), (116, 185497), (247, 87116), (377, 57076), (494, 43558), (551, 39052), (751, 28652), (754, 28538), (988, 21779), (1102, 19526), (1502, 14326), (1508, 14269), (2204, 9763), (3004, 7163)]