21546826

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 38787840

約数和(自身を除く): 17241014

約数列:

[1, 2, 7, 14, 29, 58, 73, 146, 203, 406, 511, 727, 1022, 1454, 2117, 4234, 5089, 10178, 14819, 21083, 29638, 42166, 53071, 106142, 147581, 295162, 371497, 742994, 1539059, 3078118, 10773413, 21546826]

約数ペア:

[(1, 21546826), (2, 10773413), (7, 3078118), (14, 1539059), (29, 742994), (58, 371497), (73, 295162), (146, 147581), (203, 106142), (406, 53071), (511, 42166), (727, 29638), (1022, 21083), (1454, 14819), (2117, 10178), (4234, 5089)]