21715560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20107}}^1$

素因数の和:20127

約数の個数: 64

約数和(自身を含む): 72388800

約数和(自身を除く): 50673240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20107, 40214, 60321, 80428, 100535, 120642, 160856, 180963, 201070, 241284, 301605, 361926, 402140, 482568, 542889, 603210, 723852, 804280, 904815, 1085778, 1206420, 1447704, 1809630, 2171556, 2412840, 2714445, 3619260, 4343112, 5428890, 7238520, 10857780, 21715560]

約数ペア:

[(1, 21715560), (2, 10857780), (3, 7238520), (4, 5428890), (5, 4343112), (6, 3619260), (8, 2714445), (9, 2412840), (10, 2171556), (12, 1809630), (15, 1447704), (18, 1206420), (20, 1085778), (24, 904815), (27, 804280), (30, 723852), (36, 603210), (40, 542889), (45, 482568), (54, 402140), (60, 361926), (72, 301605), (90, 241284), (108, 201070), (120, 180963), (135, 160856), (180, 120642), (216, 100535), (270, 80428), (360, 60321), (540, 40214), (1080, 20107)]