21697350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1831}}^1$

素因数の和:1925

約数の個数: 48

約数和(自身を含む): 54520320

約数和(自身を除く): 32822970

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 79, 150, 158, 237, 395, 474, 790, 1185, 1831, 1975, 2370, 3662, 3950, 5493, 5925, 9155, 10986, 11850, 18310, 27465, 45775, 54930, 91550, 137325, 144649, 274650, 289298, 433947, 723245, 867894, 1446490, 2169735, 3616225, 4339470, 7232450, 10848675, 21697350]

約数ペア:

[(1, 21697350), (2, 10848675), (3, 7232450), (5, 4339470), (6, 3616225), (10, 2169735), (15, 1446490), (25, 867894), (30, 723245), (50, 433947), (75, 289298), (79, 274650), (150, 144649), (158, 137325), (237, 91550), (395, 54930), (474, 45775), (790, 27465), (1185, 18310), (1831, 11850), (1975, 10986), (2370, 9155), (3662, 5925), (3950, 5493)]