21999048

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{13681}}^1$

素因数の和:13757

約数の個数: 32

約数和(自身を含む): 55822560

約数和(自身を除く): 33823512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 13681, 27362, 41043, 54724, 82086, 109448, 164172, 328344, 916627, 1833254, 2749881, 3666508, 5499762, 7333016, 10999524, 21999048]

約数ペア:

[(1, 21999048), (2, 10999524), (3, 7333016), (4, 5499762), (6, 3666508), (8, 2749881), (12, 1833254), (24, 916627), (67, 328344), (134, 164172), (201, 109448), (268, 82086), (402, 54724), (536, 41043), (804, 27362), (1608, 13681)]