21053136

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33739}}^1$

素因数の和:33763

約数の個数: 40

約数和(自身を含む): 58572640

約数和(自身を除く): 37519504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33739, 67478, 101217, 134956, 202434, 269912, 404868, 438607, 539824, 809736, 877214, 1315821, 1619472, 1754428, 2631642, 3508856, 5263284, 7017712, 10526568, 21053136]

約数ペア:

[(1, 21053136), (2, 10526568), (3, 7017712), (4, 5263284), (6, 3508856), (8, 2631642), (12, 1754428), (13, 1619472), (16, 1315821), (24, 877214), (26, 809736), (39, 539824), (48, 438607), (52, 404868), (78, 269912), (104, 202434), (156, 134956), (208, 101217), (312, 67478), (624, 33739)]