21329070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2161}}^1$

素因数の和:2225

約数の個数: 64

約数和(自身を含む): 59774976

約数和(自身を除く): 38445906

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 2161, 3290, 4322, 4935, 6483, 9870, 10805, 12966, 15127, 21610, 30254, 32415, 45381, 64830, 75635, 90762, 101567, 151270, 203134, 226905, 304701, 453810, 507835, 609402, 710969, 1015670, 1421938, 1523505, 2132907, 3047010, 3554845, 4265814, 7109690, 10664535, 21329070]

約数ペア:

[(1, 21329070), (2, 10664535), (3, 7109690), (5, 4265814), (6, 3554845), (7, 3047010), (10, 2132907), (14, 1523505), (15, 1421938), (21, 1015670), (30, 710969), (35, 609402), (42, 507835), (47, 453810), (70, 304701), (94, 226905), (105, 203134), (141, 151270), (210, 101567), (235, 90762), (282, 75635), (329, 64830), (470, 45381), (658, 32415), (705, 30254), (987, 21610), (1410, 15127), (1645, 12966), (1974, 10805), (2161, 9870), (3290, 6483), (4322, 4935)]