21419370

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{1619}}^1$

素因数の和:1649

約数の個数: 96

約数和(自身を含む): 66484800

約数和(自身を除く): 45065430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1619, 1890, 2205, 2646, 3238, 4410, 4857, 6615, 8095, 9714, 11333, 13230, 14571, 16190, 22666, 24285, 29142, 33999, 43713, 48570, 56665, 67998, 72855, 79331, 87426, 101997, 113330, 145710, 158662, 169995, 203994, 218565, 237993, 305991, 339990, 396655, 437130, 475986, 509985, 611982, 713979, 793310, 1019970, 1189965, 1427958, 1529955, 2141937, 2379930, 3059910, 3569895, 4283874, 7139790, 10709685, 21419370]

約数ペア:

[(1, 21419370), (2, 10709685), (3, 7139790), (5, 4283874), (6, 3569895), (7, 3059910), (9, 2379930), (10, 2141937), (14, 1529955), (15, 1427958), (18, 1189965), (21, 1019970), (27, 793310), (30, 713979), (35, 611982), (42, 509985), (45, 475986), (49, 437130), (54, 396655), (63, 339990), (70, 305991), (90, 237993), (98, 218565), (105, 203994), (126, 169995), (135, 158662), (147, 145710), (189, 113330), (210, 101997), (245, 87426), (270, 79331), (294, 72855), (315, 67998), (378, 56665), (441, 48570), (490, 43713), (630, 33999), (735, 29142), (882, 24285), (945, 22666), (1323, 16190), (1470, 14571), (1619, 13230), (1890, 11333), (2205, 9714), (2646, 8095), (3238, 6615), (4410, 4857)]