21340920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177841}}^1$

素因数の和:177855

約数の個数: 32

約数和(自身を含む): 64023120

約数和(自身を除く): 42682200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177841, 355682, 533523, 711364, 889205, 1067046, 1422728, 1778410, 2134092, 2667615, 3556820, 4268184, 5335230, 7113640, 10670460, 21340920]

約数ペア:

[(1, 21340920), (2, 10670460), (3, 7113640), (4, 5335230), (5, 4268184), (6, 3556820), (8, 2667615), (10, 2134092), (12, 1778410), (15, 1422728), (20, 1067046), (24, 889205), (30, 711364), (40, 533523), (60, 355682), (120, 177841)]