21263670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8147}}^1$

素因数の和:8189

約数の個数: 48

約数和(自身を含む): 57198960

約数和(自身を除く): 35935290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 8147, 16294, 24441, 40735, 48882, 73323, 81470, 122205, 146646, 236263, 244410, 366615, 472526, 708789, 733230, 1181315, 1417578, 2126367, 2362630, 3543945, 4252734, 7087890, 10631835, 21263670]

約数ペア:

[(1, 21263670), (2, 10631835), (3, 7087890), (5, 4252734), (6, 3543945), (9, 2362630), (10, 2126367), (15, 1417578), (18, 1181315), (29, 733230), (30, 708789), (45, 472526), (58, 366615), (87, 244410), (90, 236263), (145, 146646), (174, 122205), (261, 81470), (290, 73323), (435, 48882), (522, 40735), (870, 24441), (1305, 16294), (2610, 8147)]