21307008

素因数分解:

$2^7\times 3^1\times {\mathrm{55487}}^1$

素因数の和:55504

約数の個数: 32

約数和(自身を含む): 56597760

約数和(自身を除く): 35290752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 55487, 110974, 166461, 221948, 332922, 443896, 665844, 887792, 1331688, 1775584, 2663376, 3551168, 5326752, 7102336, 10653504, 21307008]

約数ペア:

[(1, 21307008), (2, 10653504), (3, 7102336), (4, 5326752), (6, 3551168), (8, 2663376), (12, 1775584), (16, 1331688), (24, 887792), (32, 665844), (48, 443896), (64, 332922), (96, 221948), (128, 166461), (192, 110974), (384, 55487)]