21551852

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2383}}^1$

素因数の和:2430

約数の個数: 48

約数和(自身を含む): 48061440

約数和(自身を除く): 26509588

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, 2383, 4522, 4766, 9044, 9532, 16681, 33362, 40511, 45277, 66724, 81022, 90554, 162044, 181108, 283577, 316939, 567154, 633878, 769709, 1134308, 1267756, 1539418, 3078836, 5387963, 10775926, 21551852]

約数ペア:

[(1, 21551852), (2, 10775926), (4, 5387963), (7, 3078836), (14, 1539418), (17, 1267756), (19, 1134308), (28, 769709), (34, 633878), (38, 567154), (68, 316939), (76, 283577), (119, 181108), (133, 162044), (238, 90554), (266, 81022), (323, 66724), (476, 45277), (532, 40511), (646, 33362), (1292, 16681), (2261, 9532), (2383, 9044), (4522, 4766)]