21273530

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{673}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 40035600

約数和(自身を除く): 18762070

約数列:

[1, 2, 5, 10, 29, 58, 109, 145, 218, 290, 545, 673, 1090, 1346, 3161, 3365, 6322, 6730, 15805, 19517, 31610, 39034, 73357, 97585, 146714, 195170, 366785, 733570, 2127353, 4254706, 10636765, 21273530]

約数ペア:

[(1, 21273530), (2, 10636765), (5, 4254706), (10, 2127353), (29, 733570), (58, 366785), (109, 195170), (145, 146714), (218, 97585), (290, 73357), (545, 39034), (673, 31610), (1090, 19517), (1346, 15805), (3161, 6730), (3365, 6322)]