21158040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176317}}^1$

素因数の和:176331

約数の個数: 32

約数和(自身を含む): 63474480

約数和(自身を除く): 42316440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176317, 352634, 528951, 705268, 881585, 1057902, 1410536, 1763170, 2115804, 2644755, 3526340, 4231608, 5289510, 7052680, 10579020, 21158040]

約数ペア:

[(1, 21158040), (2, 10579020), (3, 7052680), (4, 5289510), (5, 4231608), (6, 3526340), (8, 2644755), (10, 2115804), (12, 1763170), (15, 1410536), (20, 1057902), (24, 881585), (30, 705268), (40, 528951), (60, 352634), (120, 176317)]