21000663463

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{120943}}^1$

素因数の和:121031

約数の個数: 24

約数和(自身を含む): 24514381248

約数和(自身を除く): 3513717785

約数列:

[1, 13, 19, 37, 247, 361, 481, 703, 4693, 9139, 13357, 120943, 173641, 1572259, 2297917, 4474891, 29872921, 43660423, 58173583, 85022929, 567585499, 1105298077, 1615435651, 21000663463]

約数ペア:

[(1, 21000663463), (13, 1615435651), (19, 1105298077), (37, 567585499), (247, 85022929), (361, 58173583), (481, 43660423), (703, 29872921), (4693, 4474891), (9139, 2297917), (13357, 1572259), (120943, 173641)]