21849804

素因数分解:

$2^2\times 3^3\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:979

約数の個数: 48

約数和(自身を含む): 56918400

約数和(自身を除く): 35068596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 307, 614, 659, 921, 1228, 1318, 1842, 1977, 2636, 2763, 3684, 3954, 5526, 5931, 7908, 8289, 11052, 11862, 16578, 17793, 23724, 33156, 35586, 71172, 202313, 404626, 606939, 809252, 1213878, 1820817, 2427756, 3641634, 5462451, 7283268, 10924902, 21849804]

約数ペア:

[(1, 21849804), (2, 10924902), (3, 7283268), (4, 5462451), (6, 3641634), (9, 2427756), (12, 1820817), (18, 1213878), (27, 809252), (36, 606939), (54, 404626), (108, 202313), (307, 71172), (614, 35586), (659, 33156), (921, 23724), (1228, 17793), (1318, 16578), (1842, 11862), (1977, 11052), (2636, 8289), (2763, 7908), (3684, 5931), (3954, 5526)]