21722340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1307}}^1$

素因数の和:1596

約数の個数: 48

約数和(自身を含む): 61088832

約数和(自身を除く): 39366492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1307, 1385, 1662, 2614, 2770, 3324, 3921, 4155, 5228, 5540, 6535, 7842, 8310, 13070, 15684, 16620, 19605, 26140, 39210, 78420, 362039, 724078, 1086117, 1448156, 1810195, 2172234, 3620390, 4344468, 5430585, 7240780, 10861170, 21722340]

約数ペア:

[(1, 21722340), (2, 10861170), (3, 7240780), (4, 5430585), (5, 4344468), (6, 3620390), (10, 2172234), (12, 1810195), (15, 1448156), (20, 1086117), (30, 724078), (60, 362039), (277, 78420), (554, 39210), (831, 26140), (1108, 19605), (1307, 16620), (1385, 15684), (1662, 13070), (2614, 8310), (2770, 7842), (3324, 6535), (3921, 5540), (4155, 5228)]