21033648

素因数分解:

$2^4\times 3^3\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:467

約数の個数: 80

約数和(自身を含む): 60933600

約数和(自身を除く): 39899952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 181, 216, 269, 362, 432, 538, 543, 724, 807, 1076, 1086, 1448, 1614, 1629, 2152, 2172, 2421, 2896, 3228, 3258, 4304, 4344, 4842, 4887, 6456, 6516, 7263, 8688, 9684, 9774, 12912, 13032, 14526, 19368, 19548, 26064, 29052, 38736, 39096, 48689, 58104, 78192, 97378, 116208, 146067, 194756, 292134, 389512, 438201, 584268, 779024, 876402, 1168536, 1314603, 1752804, 2337072, 2629206, 3505608, 5258412, 7011216, 10516824, 21033648]

約数ペア:

[(1, 21033648), (2, 10516824), (3, 7011216), (4, 5258412), (6, 3505608), (8, 2629206), (9, 2337072), (12, 1752804), (16, 1314603), (18, 1168536), (24, 876402), (27, 779024), (36, 584268), (48, 438201), (54, 389512), (72, 292134), (108, 194756), (144, 146067), (181, 116208), (216, 97378), (269, 78192), (362, 58104), (432, 48689), (538, 39096), (543, 38736), (724, 29052), (807, 26064), (1076, 19548), (1086, 19368), (1448, 14526), (1614, 13032), (1629, 12912), (2152, 9774), (2172, 9684), (2421, 8688), (2896, 7263), (3228, 6516), (3258, 6456), (4304, 4887), (4344, 4842)]