21930615

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1009}}^1$

素因数の和:1053

約数の個数: 64

約数和(自身を含む): 46540800

約数和(自身を除く): 24610185

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 105, 115, 135, 161, 189, 207, 315, 345, 483, 621, 805, 945, 1009, 1035, 1449, 2415, 3027, 3105, 4347, 5045, 7063, 7245, 9081, 15135, 21189, 21735, 23207, 27243, 35315, 45405, 63567, 69621, 105945, 116035, 136215, 162449, 190701, 208863, 317835, 348105, 487347, 626589, 812245, 953505, 1044315, 1462041, 2436735, 3132945, 4386123, 7310205, 21930615]

約数ペア:

[(1, 21930615), (3, 7310205), (5, 4386123), (7, 3132945), (9, 2436735), (15, 1462041), (21, 1044315), (23, 953505), (27, 812245), (35, 626589), (45, 487347), (63, 348105), (69, 317835), (105, 208863), (115, 190701), (135, 162449), (161, 136215), (189, 116035), (207, 105945), (315, 69621), (345, 63567), (483, 45405), (621, 35315), (805, 27243), (945, 23207), (1009, 21735), (1035, 21189), (1449, 15135), (2415, 9081), (3027, 7245), (3105, 7063), (4347, 5045)]