21554388

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12739}}^1$

素因数の和:12796

約数の個数: 36

約数和(自身を含む): 55648320

約数和(自身を除く): 34093932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12739, 25478, 38217, 50956, 76434, 114651, 152868, 229302, 458604, 598733, 1197466, 1796199, 2394932, 3592398, 5388597, 7184796, 10777194, 21554388]

約数ペア:

[(1, 21554388), (2, 10777194), (3, 7184796), (4, 5388597), (6, 3592398), (9, 2394932), (12, 1796199), (18, 1197466), (36, 598733), (47, 458604), (94, 229302), (141, 152868), (188, 114651), (282, 76434), (423, 50956), (564, 38217), (846, 25478), (1692, 12739)]