21142368

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5647}}^1$

素因数の和:5676

約数の個数: 72

約数和(自身を含む): 64759968

約数和(自身を除く): 43617600

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5647, 11294, 16941, 22588, 33882, 45176, 50823, 67764, 73411, 90352, 101646, 135528, 146822, 180704, 203292, 220233, 271056, 293644, 406584, 440466, 542112, 587288, 660699, 813168, 880932, 1174576, 1321398, 1626336, 1761864, 2349152, 2642796, 3523728, 5285592, 7047456, 10571184, 21142368]

約数ペア:

[(1, 21142368), (2, 10571184), (3, 7047456), (4, 5285592), (6, 3523728), (8, 2642796), (9, 2349152), (12, 1761864), (13, 1626336), (16, 1321398), (18, 1174576), (24, 880932), (26, 813168), (32, 660699), (36, 587288), (39, 542112), (48, 440466), (52, 406584), (72, 293644), (78, 271056), (96, 220233), (104, 203292), (117, 180704), (144, 146822), (156, 135528), (208, 101646), (234, 90352), (288, 73411), (312, 67764), (416, 50823), (468, 45176), (624, 33882), (936, 22588), (1248, 16941), (1872, 11294), (3744, 5647)]