21156581976

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16632533}}^1$

素因数の和:16632595

約数の個数: 32

約数和(自身を含む): 53889410160

約数和(自身を除く): 32732828184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16632533, 33265066, 49897599, 66530132, 99795198, 133060264, 199590396, 399180792, 881524249, 1763048498, 2644572747, 3526096996, 5289145494, 7052193992, 10578290988, 21156581976]

約数ペア:

[(1, 21156581976), (2, 10578290988), (3, 7052193992), (4, 5289145494), (6, 3526096996), (8, 2644572747), (12, 1763048498), (24, 881524249), (53, 399180792), (106, 199590396), (159, 133060264), (212, 99795198), (318, 66530132), (424, 49897599), (636, 33265066), (1272, 16632533)]