21842040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16547}}^1$

素因数の和:16572

約数の個数: 64

約数和(自身を含む): 71487360

約数和(自身を除く): 49645320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 16547, 33094, 49641, 66188, 82735, 99282, 132376, 165470, 182017, 198564, 248205, 330940, 364034, 397128, 496410, 546051, 661880, 728068, 910085, 992820, 1092102, 1456136, 1820170, 1985640, 2184204, 2730255, 3640340, 4368408, 5460510, 7280680, 10921020, 21842040]

約数ペア:

[(1, 21842040), (2, 10921020), (3, 7280680), (4, 5460510), (5, 4368408), (6, 3640340), (8, 2730255), (10, 2184204), (11, 1985640), (12, 1820170), (15, 1456136), (20, 1092102), (22, 992820), (24, 910085), (30, 728068), (33, 661880), (40, 546051), (44, 496410), (55, 397128), (60, 364034), (66, 330940), (88, 248205), (110, 198564), (120, 182017), (132, 165470), (165, 132376), (220, 99282), (264, 82735), (330, 66188), (440, 49641), (660, 33094), (1320, 16547)]