21643818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12569}}^1$

素因数の和:12622

約数の個数: 32

約数和(自身を含む): 50682240

約数和(自身を除く): 29038422

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12569, 25138, 37707, 75414, 87983, 175966, 263949, 515329, 527898, 1030658, 1545987, 3091974, 3607303, 7214606, 10821909, 21643818]

約数ペア:

[(1, 21643818), (2, 10821909), (3, 7214606), (6, 3607303), (7, 3091974), (14, 1545987), (21, 1030658), (41, 527898), (42, 515329), (82, 263949), (123, 175966), (246, 87983), (287, 75414), (574, 37707), (861, 25138), (1722, 12569)]