21890584

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1823}}^1$

素因数の和:1927

約数の個数: 32

約数和(自身を含む): 43776000

約数和(自身を除く): 21885416

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 152, 158, 316, 632, 1501, 1823, 3002, 3646, 6004, 7292, 12008, 14584, 34637, 69274, 138548, 144017, 277096, 288034, 576068, 1152136, 2736323, 5472646, 10945292, 21890584]

約数ペア:

[(1, 21890584), (2, 10945292), (4, 5472646), (8, 2736323), (19, 1152136), (38, 576068), (76, 288034), (79, 277096), (152, 144017), (158, 138548), (316, 69274), (632, 34637), (1501, 14584), (1823, 12008), (3002, 7292), (3646, 6004)]