21615822

素因数分解:

$2^1\times 3^5\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 49271040

約数和(自身を除く): 27655218

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 158, 162, 237, 243, 474, 486, 563, 711, 1126, 1422, 1689, 2133, 3378, 4266, 5067, 6399, 10134, 12798, 15201, 19197, 30402, 38394, 44477, 45603, 88954, 91206, 133431, 136809, 266862, 273618, 400293, 800586, 1200879, 2401758, 3602637, 7205274, 10807911, 21615822]

約数ペア:

[(1, 21615822), (2, 10807911), (3, 7205274), (6, 3602637), (9, 2401758), (18, 1200879), (27, 800586), (54, 400293), (79, 273618), (81, 266862), (158, 136809), (162, 133431), (237, 91206), (243, 88954), (474, 45603), (486, 44477), (563, 38394), (711, 30402), (1126, 19197), (1422, 15201), (1689, 12798), (2133, 10134), (3378, 6399), (4266, 5067)]