21172956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{14827}}^1$

素因数の和:14858

約数の個数: 48

約数和(自身を含む): 59786496

約数和(自身を除く): 38613540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 14827, 29654, 44481, 59308, 88962, 103789, 177924, 207578, 252059, 311367, 415156, 504118, 622734, 756177, 1008236, 1245468, 1512354, 1764413, 3024708, 3528826, 5293239, 7057652, 10586478, 21172956]

約数ペア:

[(1, 21172956), (2, 10586478), (3, 7057652), (4, 5293239), (6, 3528826), (7, 3024708), (12, 1764413), (14, 1512354), (17, 1245468), (21, 1008236), (28, 756177), (34, 622734), (42, 504118), (51, 415156), (68, 311367), (84, 252059), (102, 207578), (119, 177924), (204, 103789), (238, 88962), (357, 59308), (476, 44481), (714, 29654), (1428, 14827)]