21618636

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{138581}}^1$

素因数の和:138601

約数の個数: 24

約数和(自身を含む): 54324144

約数和(自身を除く): 32705508

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 138581, 277162, 415743, 554324, 831486, 1662972, 1801553, 3603106, 5404659, 7206212, 10809318, 21618636]

約数ペア:

[(1, 21618636), (2, 10809318), (3, 7206212), (4, 5404659), (6, 3603106), (12, 1801553), (13, 1662972), (26, 831486), (39, 554324), (52, 415743), (78, 277162), (156, 138581)]