21434008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{911}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 42845760

約数和(自身を除く): 21411752

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 173, 346, 692, 911, 1384, 1822, 2941, 3644, 5882, 7288, 11764, 15487, 23528, 30974, 61948, 123896, 157603, 315206, 630412, 1260824, 2679251, 5358502, 10717004, 21434008]

約数ペア:

[(1, 21434008), (2, 10717004), (4, 5358502), (8, 2679251), (17, 1260824), (34, 630412), (68, 315206), (136, 157603), (173, 123896), (346, 61948), (692, 30974), (911, 23528), (1384, 15487), (1822, 11764), (2941, 7288), (3644, 5882)]