21288330

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33791}}^1$

素因数の和:33811

約数の個数: 48

約数和(自身を含む): 63258624

約数和(自身を除く): 41970294

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33791, 67582, 101373, 168955, 202746, 236537, 304119, 337910, 473074, 506865, 608238, 709611, 1013730, 1182685, 1419222, 1520595, 2128833, 2365370, 3041190, 3548055, 4257666, 7096110, 10644165, 21288330]

約数ペア:

[(1, 21288330), (2, 10644165), (3, 7096110), (5, 4257666), (6, 3548055), (7, 3041190), (9, 2365370), (10, 2128833), (14, 1520595), (15, 1419222), (18, 1182685), (21, 1013730), (30, 709611), (35, 608238), (42, 506865), (45, 473074), (63, 337910), (70, 304119), (90, 236537), (105, 202746), (126, 168955), (210, 101373), (315, 67582), (630, 33791)]