21598560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 75361104

約数和(自身を除く): 53762544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 212, 240, 265, 283, 288, 318, 360, 424, 477, 480, 530, 566, 636, 720, 795, 848, 849, 954, 1060, 1132, 1272, 1415, 1440, 1590, 1696, 1698, 1908, 2120, 2264, 2385, 2544, 2547, 2830, 3180, 3396, 3816, 4240, 4245, 4528, 4770, 5088, 5094, 5660, 6360, 6792, 7632, 8480, 8490, 9056, 9540, 10188, 11320, 12720, 12735, 13584, 14999, 15264, 16980, 19080, 20376, 22640, 25440, 25470, 27168, 29998, 33960, 38160, 40752, 44997, 45280, 50940, 59996, 67920, 74995, 76320, 81504, 89994, 101880, 119992, 134991, 135840, 149990, 179988, 203760, 224985, 239984, 269982, 299980, 359976, 407520, 449970, 479968, 539964, 599960, 674955, 719952, 899940, 1079928, 1199920, 1349910, 1439904, 1799880, 2159856, 2399840, 2699820, 3599760, 4319712, 5399640, 7199520, 10799280, 21598560]

約数ペア:

[(1, 21598560), (2, 10799280), (3, 7199520), (4, 5399640), (5, 4319712), (6, 3599760), (8, 2699820), (9, 2399840), (10, 2159856), (12, 1799880), (15, 1439904), (16, 1349910), (18, 1199920), (20, 1079928), (24, 899940), (30, 719952), (32, 674955), (36, 599960), (40, 539964), (45, 479968), (48, 449970), (53, 407520), (60, 359976), (72, 299980), (80, 269982), (90, 239984), (96, 224985), (106, 203760), (120, 179988), (144, 149990), (159, 135840), (160, 134991), (180, 119992), (212, 101880), (240, 89994), (265, 81504), (283, 76320), (288, 74995), (318, 67920), (360, 59996), (424, 50940), (477, 45280), (480, 44997), (530, 40752), (566, 38160), (636, 33960), (720, 29998), (795, 27168), (848, 25470), (849, 25440), (954, 22640), (1060, 20376), (1132, 19080), (1272, 16980), (1415, 15264), (1440, 14999), (1590, 13584), (1696, 12735), (1698, 12720), (1908, 11320), (2120, 10188), (2264, 9540), (2385, 9056), (2544, 8490), (2547, 8480), (2830, 7632), (3180, 6792), (3396, 6360), (3816, 5660), (4240, 5094), (4245, 5088), (4528, 4770)]