21018870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4969}}^1$

素因数の和:5029

約数の個数: 48

約数和(自身を含む): 55823040

約数和(自身を除く): 34804170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 4969, 9938, 14907, 24845, 29814, 44721, 49690, 74535, 89442, 149070, 223605, 233543, 447210, 467086, 700629, 1167715, 1401258, 2101887, 2335430, 3503145, 4203774, 7006290, 10509435, 21018870]

約数ペア:

[(1, 21018870), (2, 10509435), (3, 7006290), (5, 4203774), (6, 3503145), (9, 2335430), (10, 2101887), (15, 1401258), (18, 1167715), (30, 700629), (45, 467086), (47, 447210), (90, 233543), (94, 223605), (141, 149070), (235, 89442), (282, 74535), (423, 49690), (470, 44721), (705, 29814), (846, 24845), (1410, 14907), (2115, 9938), (4230, 4969)]