21611145

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1693}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 37078272

約数和(自身を除く): 15467127

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 1693, 2553, 4255, 5079, 8465, 12765, 25395, 38939, 62641, 116817, 187923, 194695, 313205, 584085, 939615, 1440743, 4322229, 7203715, 21611145]

約数ペア:

[(1, 21611145), (3, 7203715), (5, 4322229), (15, 1440743), (23, 939615), (37, 584085), (69, 313205), (111, 194695), (115, 187923), (185, 116817), (345, 62641), (555, 38939), (851, 25395), (1693, 12765), (2553, 8465), (4255, 5079)]