21941296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2851}}^1$

素因数の和:2909

約数の個数: 40

約数和(自身を含む): 47035184

約数和(自身を除く): 25093888

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2851, 3848, 5702, 7696, 11404, 22808, 37063, 45616, 74126, 105487, 148252, 210974, 296504, 421948, 593008, 843896, 1371331, 1687792, 2742662, 5485324, 10970648, 21941296]

約数ペア:

[(1, 21941296), (2, 10970648), (4, 5485324), (8, 2742662), (13, 1687792), (16, 1371331), (26, 843896), (37, 593008), (52, 421948), (74, 296504), (104, 210974), (148, 148252), (208, 105487), (296, 74126), (481, 45616), (592, 37063), (962, 22808), (1924, 11404), (2851, 7696), (3848, 5702)]