21699652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6841}}^1$

素因数の和:6919

約数の個数: 24

約数和(自身を含む): 41571992

約数和(自身を除く): 19872340

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 6841, 13682, 27364, 88933, 177866, 355732, 417301, 834602, 1669204, 5424913, 10849826, 21699652]

約数ペア:

[(1, 21699652), (2, 10849826), (4, 5424913), (13, 1669204), (26, 834602), (52, 417301), (61, 355732), (122, 177866), (244, 88933), (793, 27364), (1586, 13682), (3172, 6841)]