21362172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3701}}^1$

素因数の和:3758

約数の個数: 48

約数和(自身を含む): 55144992

約数和(自身を除く): 33782820

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3701, 5772, 7402, 11103, 14804, 22206, 44412, 48113, 96226, 136937, 144339, 192452, 273874, 288678, 410811, 547748, 577356, 821622, 1643244, 1780181, 3560362, 5340543, 7120724, 10681086, 21362172]

約数ペア:

[(1, 21362172), (2, 10681086), (3, 7120724), (4, 5340543), (6, 3560362), (12, 1780181), (13, 1643244), (26, 821622), (37, 577356), (39, 547748), (52, 410811), (74, 288678), (78, 273874), (111, 192452), (148, 144339), (156, 136937), (222, 96226), (444, 48113), (481, 44412), (962, 22206), (1443, 14804), (1924, 11103), (2886, 7402), (3701, 5772)]