21354810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30949}}^1$

素因数の和:30982

約数の個数: 32

約数和(自身を含む): 53481600

約数和(自身を除く): 32126790

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 30949, 61898, 92847, 154745, 185694, 309490, 464235, 711827, 928470, 1423654, 2135481, 3559135, 4270962, 7118270, 10677405, 21354810]

約数ペア:

[(1, 21354810), (2, 10677405), (3, 7118270), (5, 4270962), (6, 3559135), (10, 2135481), (15, 1423654), (23, 928470), (30, 711827), (46, 464235), (69, 309490), (115, 185694), (138, 154745), (230, 92847), (345, 61898), (690, 30949)]