21890778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{40093}}^1$

素因数の和:40118

約数の個数: 32

約数和(自身を含む): 53886336

約数和(自身を除く): 31995558

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 40093, 80186, 120279, 240558, 280651, 521209, 561302, 841953, 1042418, 1563627, 1683906, 3127254, 3648463, 7296926, 10945389, 21890778]

約数ペア:

[(1, 21890778), (2, 10945389), (3, 7296926), (6, 3648463), (7, 3127254), (13, 1683906), (14, 1563627), (21, 1042418), (26, 841953), (39, 561302), (42, 521209), (78, 280651), (91, 240558), (182, 120279), (273, 80186), (546, 40093)]