21486972840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{937477}}^1$

素因数の和:937682

約数の個数: 64

約数和(自身を含む): 64798479360

約数和(自身を除く): 43311506520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 955, 1146, 1528, 1910, 2292, 2865, 3820, 4584, 5730, 7640, 11460, 22920, 937477, 1874954, 2812431, 3749908, 4687385, 5624862, 7499816, 9374770, 11249724, 14062155, 18749540, 22499448, 28124310, 37499080, 56248620, 112497240, 179058107, 358116214, 537174321, 716232428, 895290535, 1074348642, 1432464856, 1790581070, 2148697284, 2685871605, 3581162140, 4297394568, 5371743210, 7162324280, 10743486420, 21486972840]

約数ペア:

[(1, 21486972840), (2, 10743486420), (3, 7162324280), (4, 5371743210), (5, 4297394568), (6, 3581162140), (8, 2685871605), (10, 2148697284), (12, 1790581070), (15, 1432464856), (20, 1074348642), (24, 895290535), (30, 716232428), (40, 537174321), (60, 358116214), (120, 179058107), (191, 112497240), (382, 56248620), (573, 37499080), (764, 28124310), (955, 22499448), (1146, 18749540), (1528, 14062155), (1910, 11249724), (2292, 9374770), (2865, 7499816), (3820, 5624862), (4584, 4687385), (5730, 3749908), (7640, 2812431), (11460, 1874954), (22920, 937477)]