21399924

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19597}}^1$

素因数の和:19624

約数の個数: 48

約数和(自身を含む): 61459328

約数和(自身を除く): 40059404

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19597, 39194, 58791, 78388, 117582, 137179, 235164, 254761, 274358, 411537, 509522, 548716, 764283, 823074, 1019044, 1528566, 1646148, 1783327, 3057132, 3566654, 5349981, 7133308, 10699962, 21399924]

約数ペア:

[(1, 21399924), (2, 10699962), (3, 7133308), (4, 5349981), (6, 3566654), (7, 3057132), (12, 1783327), (13, 1646148), (14, 1528566), (21, 1019044), (26, 823074), (28, 764283), (39, 548716), (42, 509522), (52, 411537), (78, 274358), (84, 254761), (91, 235164), (156, 137179), (182, 117582), (273, 78388), (364, 58791), (546, 39194), (1092, 19597)]