21507132

素因数分解:

$2^2\times 3^1\times {\mathrm{239}}^1\times {\mathrm{7499}}^1$

素因数の和:7745

約数の個数: 24

約数和(自身を含む): 50400000

約数和(自身を除く): 28892868

約数列:

[1, 2, 3, 4, 6, 12, 239, 478, 717, 956, 1434, 2868, 7499, 14998, 22497, 29996, 44994, 89988, 1792261, 3584522, 5376783, 7169044, 10753566, 21507132]

約数ペア:

[(1, 21507132), (2, 10753566), (3, 7169044), (4, 5376783), (6, 3584522), (12, 1792261), (239, 89988), (478, 44994), (717, 29996), (956, 22497), (1434, 14998), (2868, 7499)]