21000962892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{44621}}^1$

素因数の和:45079

約数の個数: 96

約数和(自身を含む): 60451743744

約数和(自身を除く): 39450780852

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 431, 546, 862, 1092, 1293, 1724, 2586, 3017, 5172, 5603, 6034, 9051, 11206, 12068, 16809, 18102, 22412, 33618, 36204, 39221, 44621, 67236, 78442, 89242, 117663, 133863, 156884, 178484, 235326, 267726, 312347, 470652, 535452, 580073, 624694, 937041, 1160146, 1249388, 1740219, 1874082, 2320292, 3480438, 3748164, 4060511, 6960876, 8121022, 12181533, 16242044, 19231651, 24363066, 38463302, 48726132, 57694953, 76926604, 115389906, 134621557, 230779812, 250011463, 269243114, 403864671, 500022926, 538486228, 750034389, 807729342, 1000045852, 1500068778, 1615458684, 1750080241, 3000137556, 3500160482, 5250240723, 7000320964, 10500481446, 21000962892]

約数ペア:

[(1, 21000962892), (2, 10500481446), (3, 7000320964), (4, 5250240723), (6, 3500160482), (7, 3000137556), (12, 1750080241), (13, 1615458684), (14, 1500068778), (21, 1000045852), (26, 807729342), (28, 750034389), (39, 538486228), (42, 500022926), (52, 403864671), (78, 269243114), (84, 250011463), (91, 230779812), (156, 134621557), (182, 115389906), (273, 76926604), (364, 57694953), (431, 48726132), (546, 38463302), (862, 24363066), (1092, 19231651), (1293, 16242044), (1724, 12181533), (2586, 8121022), (3017, 6960876), (5172, 4060511), (5603, 3748164), (6034, 3480438), (9051, 2320292), (11206, 1874082), (12068, 1740219), (16809, 1249388), (18102, 1160146), (22412, 937041), (33618, 624694), (36204, 580073), (39221, 535452), (44621, 470652), (67236, 312347), (78442, 267726), (89242, 235326), (117663, 178484), (133863, 156884)]