21333360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:982

約数の個数: 80

約数和(自身を含む): 66852864

約数和(自身を除く): 45519504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 863, 1030, 1236, 1545, 1648, 1726, 2060, 2472, 2589, 3090, 3452, 4120, 4315, 4944, 5178, 6180, 6904, 8240, 8630, 10356, 12360, 12945, 13808, 17260, 20712, 24720, 25890, 34520, 41424, 51780, 69040, 88889, 103560, 177778, 207120, 266667, 355556, 444445, 533334, 711112, 888890, 1066668, 1333335, 1422224, 1777780, 2133336, 2666670, 3555560, 4266672, 5333340, 7111120, 10666680, 21333360]

約数ペア:

[(1, 21333360), (2, 10666680), (3, 7111120), (4, 5333340), (5, 4266672), (6, 3555560), (8, 2666670), (10, 2133336), (12, 1777780), (15, 1422224), (16, 1333335), (20, 1066668), (24, 888890), (30, 711112), (40, 533334), (48, 444445), (60, 355556), (80, 266667), (103, 207120), (120, 177778), (206, 103560), (240, 88889), (309, 69040), (412, 51780), (515, 41424), (618, 34520), (824, 25890), (863, 24720), (1030, 20712), (1236, 17260), (1545, 13808), (1648, 12945), (1726, 12360), (2060, 10356), (2472, 8630), (2589, 8240), (3090, 6904), (3452, 6180), (4120, 5178), (4315, 4944)]