21479942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 16259578

約数列:

[1, 2, 11, 17, 22, 34, 79, 158, 187, 374, 727, 869, 1343, 1454, 1738, 2686, 7997, 12359, 14773, 15994, 24718, 29546, 57433, 114866, 135949, 271898, 631763, 976361, 1263526, 1952722, 10739971, 21479942]

約数ペア:

[(1, 21479942), (2, 10739971), (11, 1952722), (17, 1263526), (22, 976361), (34, 631763), (79, 271898), (158, 135949), (187, 114866), (374, 57433), (727, 29546), (869, 24718), (1343, 15994), (1454, 14773), (1738, 12359), (2686, 7997)]