21948390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{243871}}^1$

素因数の和:243884

約数の個数: 24

約数和(自身を含む): 57066048

約数和(自身を除く): 35117658

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 243871, 487742, 731613, 1219355, 1463226, 2194839, 2438710, 3658065, 4389678, 7316130, 10974195, 21948390]

約数ペア:

[(1, 21948390), (2, 10974195), (3, 7316130), (5, 4389678), (6, 3658065), (9, 2438710), (10, 2194839), (15, 1463226), (18, 1219355), (30, 731613), (45, 487742), (90, 243871)]