21798056

素因数分解:

$2^3\times 7^1\times {\mathrm{419}}^1\times {\mathrm{929}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 46872000

約数和(自身を除く): 25073944

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 419, 838, 929, 1676, 1858, 2933, 3352, 3716, 5866, 6503, 7432, 11732, 13006, 23464, 26012, 52024, 389251, 778502, 1557004, 2724757, 3114008, 5449514, 10899028, 21798056]

約数ペア:

[(1, 21798056), (2, 10899028), (4, 5449514), (7, 3114008), (8, 2724757), (14, 1557004), (28, 778502), (56, 389251), (419, 52024), (838, 26012), (929, 23464), (1676, 13006), (1858, 11732), (2933, 7432), (3352, 6503), (3716, 5866)]