21661095

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1259}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 15110745

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 155, 185, 465, 555, 1147, 1259, 3441, 3777, 5735, 6295, 17205, 18885, 39029, 46583, 117087, 139749, 195145, 232915, 585435, 698745, 1444073, 4332219, 7220365, 21661095]

約数ペア:

[(1, 21661095), (3, 7220365), (5, 4332219), (15, 1444073), (31, 698745), (37, 585435), (93, 232915), (111, 195145), (155, 139749), (185, 117087), (465, 46583), (555, 39029), (1147, 18885), (1259, 17205), (3441, 6295), (3777, 5735)]