21614008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3407}}^1$

素因数の和:3487

約数の個数: 32

約数和(自身を含む): 44372160

約数和(自身を除く): 22758152

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 3407, 6344, 6814, 13628, 27256, 44291, 88582, 177164, 207827, 354328, 415654, 831308, 1662616, 2701751, 5403502, 10807004, 21614008]

約数ペア:

[(1, 21614008), (2, 10807004), (4, 5403502), (8, 2701751), (13, 1662616), (26, 831308), (52, 415654), (61, 354328), (104, 207827), (122, 177164), (244, 88582), (488, 44291), (793, 27256), (1586, 13628), (3172, 6814), (3407, 6344)]