21794448

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:736

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 40076592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 53, 78, 104, 106, 156, 159, 208, 212, 312, 318, 424, 624, 636, 659, 689, 848, 1272, 1318, 1378, 1977, 2067, 2544, 2636, 2756, 3954, 4134, 5272, 5512, 7908, 8268, 8567, 10544, 11024, 15816, 16536, 17134, 25701, 31632, 33072, 34268, 34927, 51402, 68536, 69854, 102804, 104781, 137072, 139708, 205608, 209562, 279416, 411216, 419124, 454051, 558832, 838248, 908102, 1362153, 1676496, 1816204, 2724306, 3632408, 5448612, 7264816, 10897224, 21794448]

約数ペア:

[(1, 21794448), (2, 10897224), (3, 7264816), (4, 5448612), (6, 3632408), (8, 2724306), (12, 1816204), (13, 1676496), (16, 1362153), (24, 908102), (26, 838248), (39, 558832), (48, 454051), (52, 419124), (53, 411216), (78, 279416), (104, 209562), (106, 205608), (156, 139708), (159, 137072), (208, 104781), (212, 102804), (312, 69854), (318, 68536), (424, 51402), (624, 34927), (636, 34268), (659, 33072), (689, 31632), (848, 25701), (1272, 17134), (1318, 16536), (1378, 15816), (1977, 11024), (2067, 10544), (2544, 8567), (2636, 8268), (2756, 7908), (3954, 5512), (4134, 5272)]