21909992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1103}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 22603288

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191, 382, 764, 1103, 1528, 2206, 2483, 4412, 4966, 8824, 9932, 14339, 19864, 28678, 57356, 114712, 210673, 421346, 842692, 1685384, 2738749, 5477498, 10954996, 21909992]

約数ペア:

[(1, 21909992), (2, 10954996), (4, 5477498), (8, 2738749), (13, 1685384), (26, 842692), (52, 421346), (104, 210673), (191, 114712), (382, 57356), (764, 28678), (1103, 19864), (1528, 14339), (2206, 9932), (2483, 8824), (4412, 4966)]