21531630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24749}}^1$

素因数の和:24788

約数の個数: 32

約数和(自身を含む): 53460000

約数和(自身を除く): 31928370

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 24749, 49498, 74247, 123745, 148494, 247490, 371235, 717721, 742470, 1435442, 2153163, 3588605, 4306326, 7177210, 10765815, 21531630]

約数ペア:

[(1, 21531630), (2, 10765815), (3, 7177210), (5, 4306326), (6, 3588605), (10, 2153163), (15, 1435442), (29, 742470), (30, 717721), (58, 371235), (87, 247490), (145, 148494), (174, 123745), (290, 74247), (435, 49498), (870, 24749)]