21719685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3593}}^1$

素因数の和:3645

約数の個数: 32

約数和(自身を含む): 38642688

約数和(自身を除く): 16923003

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3593, 6045, 10779, 17965, 46709, 53895, 111383, 140127, 233545, 334149, 556915, 700635, 1447979, 1670745, 4343937, 7239895, 21719685]

約数ペア:

[(1, 21719685), (3, 7239895), (5, 4343937), (13, 1670745), (15, 1447979), (31, 700635), (39, 556915), (65, 334149), (93, 233545), (155, 140127), (195, 111383), (403, 53895), (465, 46709), (1209, 17965), (2015, 10779), (3593, 6045)]