21151380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{352523}}^1$

素因数の和:352535

約数の個数: 24

約数和(自身を含む): 59224032

約数和(自身を除く): 38072652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 352523, 705046, 1057569, 1410092, 1762615, 2115138, 3525230, 4230276, 5287845, 7050460, 10575690, 21151380]

約数ペア:

[(1, 21151380), (2, 10575690), (3, 7050460), (4, 5287845), (5, 4230276), (6, 3525230), (10, 2115138), (12, 1762615), (15, 1410092), (20, 1057569), (30, 705046), (60, 352523)]