21617520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90073}}^1$

素因数の和:90089

約数の個数: 40

約数和(自身を含む): 67015056

約数和(自身を除く): 45397536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90073, 180146, 270219, 360292, 450365, 540438, 720584, 900730, 1080876, 1351095, 1441168, 1801460, 2161752, 2702190, 3602920, 4323504, 5404380, 7205840, 10808760, 21617520]

約数ペア:

[(1, 21617520), (2, 10808760), (3, 7205840), (4, 5404380), (5, 4323504), (6, 3602920), (8, 2702190), (10, 2161752), (12, 1801460), (15, 1441168), (16, 1351095), (20, 1080876), (24, 900730), (30, 720584), (40, 540438), (48, 450365), (60, 360292), (80, 270219), (120, 180146), (240, 90073)]