21515946

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 22392534

約数列:

[1, 2, 3, 6, 109, 167, 197, 218, 327, 334, 394, 501, 591, 654, 1002, 1182, 18203, 21473, 32899, 36406, 42946, 54609, 64419, 65798, 98697, 109218, 128838, 197394, 3585991, 7171982, 10757973, 21515946]

約数ペア:

[(1, 21515946), (2, 10757973), (3, 7171982), (6, 3585991), (109, 197394), (167, 128838), (197, 109218), (218, 98697), (327, 65798), (334, 64419), (394, 54609), (501, 42946), (591, 36406), (654, 32899), (1002, 21473), (1182, 18203)]