21971160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61031}}^1$

素因数の和:61048

約数の個数: 48

約数和(自身を含む): 71407440

約数和(自身を除く): 49436280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 61031, 122062, 183093, 244124, 305155, 366186, 488248, 549279, 610310, 732372, 915465, 1098558, 1220620, 1464744, 1830930, 2197116, 2441240, 2746395, 3661860, 4394232, 5492790, 7323720, 10985580, 21971160]

約数ペア:

[(1, 21971160), (2, 10985580), (3, 7323720), (4, 5492790), (5, 4394232), (6, 3661860), (8, 2746395), (9, 2441240), (10, 2197116), (12, 1830930), (15, 1464744), (18, 1220620), (20, 1098558), (24, 915465), (30, 732372), (36, 610310), (40, 549279), (45, 488248), (60, 366186), (72, 305155), (90, 244124), (120, 183093), (180, 122062), (360, 61031)]