21605238

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{7549}}^1$

素因数の和:7613

約数の個数: 32

約数和(自身を含む): 48924000

約数和(自身を除く): 27318762

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 7549, 15098, 22647, 45294, 67941, 135882, 203823, 400097, 407646, 800194, 1200291, 2400582, 3600873, 7201746, 10802619, 21605238]

約数ペア:

[(1, 21605238), (2, 10802619), (3, 7201746), (6, 3600873), (9, 2400582), (18, 1200291), (27, 800194), (53, 407646), (54, 400097), (106, 203823), (159, 135882), (318, 67941), (477, 45294), (954, 22647), (1431, 15098), (2862, 7549)]