21741948

素因数分解:

$2^2\times 3^2\times {\mathrm{173}}^1\times {\mathrm{3491}}^1$

素因数の和:3674

約数の個数: 36

約数和(自身を含む): 55292328

約数和(自身を除く): 33550380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 173, 346, 519, 692, 1038, 1557, 2076, 3114, 3491, 6228, 6982, 10473, 13964, 20946, 31419, 41892, 62838, 125676, 603943, 1207886, 1811829, 2415772, 3623658, 5435487, 7247316, 10870974, 21741948]

約数ペア:

[(1, 21741948), (2, 10870974), (3, 7247316), (4, 5435487), (6, 3623658), (9, 2415772), (12, 1811829), (18, 1207886), (36, 603943), (173, 125676), (346, 62838), (519, 41892), (692, 31419), (1038, 20946), (1557, 13964), (2076, 10473), (3114, 6982), (3491, 6228)]