21159528

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67819}}^1$

素因数の和:67841

約数の個数: 32

約数和(自身を含む): 56968800

約数和(自身を除く): 35809272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67819, 135638, 203457, 271276, 406914, 542552, 813828, 881647, 1627656, 1763294, 2644941, 3526588, 5289882, 7053176, 10579764, 21159528]

約数ペア:

[(1, 21159528), (2, 10579764), (3, 7053176), (4, 5289882), (6, 3526588), (8, 2644941), (12, 1763294), (13, 1627656), (24, 881647), (26, 813828), (39, 542552), (52, 406914), (78, 271276), (104, 203457), (156, 135638), (312, 67819)]