21208440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16067}}^1$

素因数の和:16092

約数の個数: 64

約数和(自身を含む): 69413760

約数和(自身を除く): 48205320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 16067, 32134, 48201, 64268, 80335, 96402, 128536, 160670, 176737, 192804, 241005, 321340, 353474, 385608, 482010, 530211, 642680, 706948, 883685, 964020, 1060422, 1413896, 1767370, 1928040, 2120844, 2651055, 3534740, 4241688, 5302110, 7069480, 10604220, 21208440]

約数ペア:

[(1, 21208440), (2, 10604220), (3, 7069480), (4, 5302110), (5, 4241688), (6, 3534740), (8, 2651055), (10, 2120844), (11, 1928040), (12, 1767370), (15, 1413896), (20, 1060422), (22, 964020), (24, 883685), (30, 706948), (33, 642680), (40, 530211), (44, 482010), (55, 385608), (60, 353474), (66, 321340), (88, 241005), (110, 192804), (120, 176737), (132, 160670), (165, 128536), (220, 96402), (264, 80335), (330, 64268), (440, 48201), (660, 32134), (1320, 16067)]