21031430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13063}}^1$

素因数の和:13100

約数の個数: 32

約数和(自身を含む): 45149184

約数和(自身を除く): 24117754

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 13063, 26126, 65315, 91441, 130630, 182882, 300449, 457205, 600898, 914410, 1502245, 2103143, 3004490, 4206286, 10515715, 21031430]

約数ペア:

[(1, 21031430), (2, 10515715), (5, 4206286), (7, 3004490), (10, 2103143), (14, 1502245), (23, 914410), (35, 600898), (46, 457205), (70, 300449), (115, 182882), (161, 130630), (230, 91441), (322, 65315), (805, 26126), (1610, 13063)]