21214128

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33997}}^1$

素因数の和:34021

約数の個数: 40

約数和(自身を含む): 59020528

約数和(自身を除く): 37806400

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33997, 67994, 101991, 135988, 203982, 271976, 407964, 441961, 543952, 815928, 883922, 1325883, 1631856, 1767844, 2651766, 3535688, 5303532, 7071376, 10607064, 21214128]

約数ペア:

[(1, 21214128), (2, 10607064), (3, 7071376), (4, 5303532), (6, 3535688), (8, 2651766), (12, 1767844), (13, 1631856), (16, 1325883), (24, 883922), (26, 815928), (39, 543952), (48, 441961), (52, 407964), (78, 271976), (104, 203982), (156, 135988), (208, 101991), (312, 67994), (624, 33997)]