21898320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{91243}}^1$

素因数の和:91259

約数の個数: 40

約数和(自身を含む): 67885536

約数和(自身を除く): 45987216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 91243, 182486, 273729, 364972, 456215, 547458, 729944, 912430, 1094916, 1368645, 1459888, 1824860, 2189832, 2737290, 3649720, 4379664, 5474580, 7299440, 10949160, 21898320]

約数ペア:

[(1, 21898320), (2, 10949160), (3, 7299440), (4, 5474580), (5, 4379664), (6, 3649720), (8, 2737290), (10, 2189832), (12, 1824860), (15, 1459888), (16, 1368645), (20, 1094916), (24, 912430), (30, 729944), (40, 547458), (48, 456215), (60, 364972), (80, 273729), (120, 182486), (240, 91243)]