21119848

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1871}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 21337112

約数列:

[1, 2, 4, 8, 17, 34, 68, 83, 136, 166, 332, 664, 1411, 1871, 2822, 3742, 5644, 7484, 11288, 14968, 31807, 63614, 127228, 155293, 254456, 310586, 621172, 1242344, 2639981, 5279962, 10559924, 21119848]

約数ペア:

[(1, 21119848), (2, 10559924), (4, 5279962), (8, 2639981), (17, 1242344), (34, 621172), (68, 310586), (83, 254456), (136, 155293), (166, 127228), (332, 63614), (664, 31807), (1411, 14968), (1871, 11288), (2822, 7484), (3742, 5644)]