21971224

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4093}}^1$

素因数の和:4171

約数の個数: 32

約数和(自身を含む): 45689040

約数和(自身を除く): 23717816

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 4093, 5368, 8186, 16372, 32744, 45023, 90046, 180092, 249673, 360184, 499346, 998692, 1997384, 2746403, 5492806, 10985612, 21971224]

約数ペア:

[(1, 21971224), (2, 10985612), (4, 5492806), (8, 2746403), (11, 1997384), (22, 998692), (44, 499346), (61, 360184), (88, 249673), (122, 180092), (244, 90046), (488, 45023), (671, 32744), (1342, 16372), (2684, 8186), (4093, 5368)]