21818070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1627}}^1$

素因数の和:1789

約数の個数: 48

約数和(自身を含む): 57142800

約数和(自身を除く): 35324730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1490, 1627, 2235, 2682, 3254, 4470, 4881, 6705, 8135, 9762, 13410, 14643, 16270, 24405, 29286, 48810, 73215, 146430, 242423, 484846, 727269, 1212115, 1454538, 2181807, 2424230, 3636345, 4363614, 7272690, 10909035, 21818070]

約数ペア:

[(1, 21818070), (2, 10909035), (3, 7272690), (5, 4363614), (6, 3636345), (9, 2424230), (10, 2181807), (15, 1454538), (18, 1212115), (30, 727269), (45, 484846), (90, 242423), (149, 146430), (298, 73215), (447, 48810), (745, 29286), (894, 24405), (1341, 16270), (1490, 14643), (1627, 13410), (2235, 9762), (2682, 8135), (3254, 6705), (4470, 4881)]