21933660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{52223}}^1$

素因数の和:52242

約数の個数: 48

約数和(自身を含む): 70189056

約数和(自身を除く): 48255396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 52223, 104446, 156669, 208892, 261115, 313338, 365561, 522230, 626676, 731122, 783345, 1044460, 1096683, 1462244, 1566690, 1827805, 2193366, 3133380, 3655610, 4386732, 5483415, 7311220, 10966830, 21933660]

約数ペア:

[(1, 21933660), (2, 10966830), (3, 7311220), (4, 5483415), (5, 4386732), (6, 3655610), (7, 3133380), (10, 2193366), (12, 1827805), (14, 1566690), (15, 1462244), (20, 1096683), (21, 1044460), (28, 783345), (30, 731122), (35, 626676), (42, 522230), (60, 365561), (70, 313338), (84, 261115), (105, 208892), (140, 156669), (210, 104446), (420, 52223)]