21316708

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2357}}^1$

素因数の和:2404

約数の個数: 48

約数和(自身を含む): 47537280

約数和(自身を除く): 26220572

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2261, 2357, 4522, 4714, 9044, 9428, 16499, 32998, 40069, 44783, 65996, 80138, 89566, 160276, 179132, 280483, 313481, 560966, 626962, 761311, 1121932, 1253924, 1522622, 3045244, 5329177, 10658354, 21316708]

約数ペア:

[(1, 21316708), (2, 10658354), (4, 5329177), (7, 3045244), (14, 1522622), (17, 1253924), (19, 1121932), (28, 761311), (34, 626962), (38, 560966), (68, 313481), (76, 280483), (119, 179132), (133, 160276), (238, 89566), (266, 80138), (323, 65996), (476, 44783), (532, 40069), (646, 32998), (1292, 16499), (2261, 9428), (2357, 9044), (4522, 4714)]