21576290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1583}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 19480990

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 235, 290, 470, 1363, 1583, 2726, 3166, 6815, 7915, 13630, 15830, 45907, 74401, 91814, 148802, 229535, 372005, 459070, 744010, 2157629, 4315258, 10788145, 21576290]

約数ペア:

[(1, 21576290), (2, 10788145), (5, 4315258), (10, 2157629), (29, 744010), (47, 459070), (58, 372005), (94, 229535), (145, 148802), (235, 91814), (290, 74401), (470, 45907), (1363, 15830), (1583, 13630), (2726, 7915), (3166, 6815)]