21474270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{887}}^1$

素因数の和:1169

約数の個数: 48

約数和(自身を含む): 56103840

約数和(自身を除く): 34629570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 269, 538, 807, 887, 1345, 1614, 1774, 2421, 2661, 2690, 4035, 4435, 4842, 5322, 7983, 8070, 8870, 12105, 13305, 15966, 24210, 26610, 39915, 79830, 238603, 477206, 715809, 1193015, 1431618, 2147427, 2386030, 3579045, 4294854, 7158090, 10737135, 21474270]

約数ペア:

[(1, 21474270), (2, 10737135), (3, 7158090), (5, 4294854), (6, 3579045), (9, 2386030), (10, 2147427), (15, 1431618), (18, 1193015), (30, 715809), (45, 477206), (90, 238603), (269, 79830), (538, 39915), (807, 26610), (887, 24210), (1345, 15966), (1614, 13305), (1774, 12105), (2421, 8870), (2661, 8070), (2690, 7983), (4035, 5322), (4435, 4842)]