21294870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 53187840

約数和(自身を除く): 31892970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 59, 106, 118, 159, 177, 227, 265, 295, 318, 354, 454, 530, 590, 681, 795, 885, 1135, 1362, 1590, 1770, 2270, 3127, 3405, 6254, 6810, 9381, 12031, 13393, 15635, 18762, 24062, 26786, 31270, 36093, 40179, 46905, 60155, 66965, 72186, 80358, 93810, 120310, 133930, 180465, 200895, 360930, 401790, 709829, 1419658, 2129487, 3549145, 4258974, 7098290, 10647435, 21294870]

約数ペア:

[(1, 21294870), (2, 10647435), (3, 7098290), (5, 4258974), (6, 3549145), (10, 2129487), (15, 1419658), (30, 709829), (53, 401790), (59, 360930), (106, 200895), (118, 180465), (159, 133930), (177, 120310), (227, 93810), (265, 80358), (295, 72186), (318, 66965), (354, 60155), (454, 46905), (530, 40179), (590, 36093), (681, 31270), (795, 26786), (885, 24062), (1135, 18762), (1362, 15635), (1590, 13393), (1770, 12031), (2270, 9381), (3127, 6810), (3405, 6254)]