21870870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{104147}}^1$

素因数の和:104164

約数の個数: 32

約数和(自身を含む): 59989248

約数和(自身を除く): 38118378

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 104147, 208294, 312441, 520735, 624882, 729029, 1041470, 1458058, 1562205, 2187087, 3124410, 3645145, 4374174, 7290290, 10935435, 21870870]

約数ペア:

[(1, 21870870), (2, 10935435), (3, 7290290), (5, 4374174), (6, 3645145), (7, 3124410), (10, 2187087), (14, 1562205), (15, 1458058), (21, 1041470), (30, 729029), (35, 624882), (42, 520735), (70, 312441), (105, 208294), (210, 104147)]