21031230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{631}}^1$

素因数の和:753

約数の個数: 64

約数和(自身を含む): 55696896

約数和(自身を除く): 34665666

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 101, 110, 165, 202, 303, 330, 505, 606, 631, 1010, 1111, 1262, 1515, 1893, 2222, 3030, 3155, 3333, 3786, 5555, 6310, 6666, 6941, 9465, 11110, 13882, 16665, 18930, 20823, 33330, 34705, 41646, 63731, 69410, 104115, 127462, 191193, 208230, 318655, 382386, 637310, 701041, 955965, 1402082, 1911930, 2103123, 3505205, 4206246, 7010410, 10515615, 21031230]

約数ペア:

[(1, 21031230), (2, 10515615), (3, 7010410), (5, 4206246), (6, 3505205), (10, 2103123), (11, 1911930), (15, 1402082), (22, 955965), (30, 701041), (33, 637310), (55, 382386), (66, 318655), (101, 208230), (110, 191193), (165, 127462), (202, 104115), (303, 69410), (330, 63731), (505, 41646), (606, 34705), (631, 33330), (1010, 20823), (1111, 18930), (1262, 16665), (1515, 13882), (1893, 11110), (2222, 9465), (3030, 6941), (3155, 6666), (3333, 6310), (3786, 5555)]