21745127208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1\times {\mathrm{1697}}^1$

素因数の和:2659

約数の個数: 128

約数和(自身を含む): 62937388800

約数和(自身を除く): 41192261592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 89, 168, 178, 267, 356, 534, 623, 712, 857, 1068, 1246, 1697, 1714, 1869, 2136, 2492, 2571, 3394, 3428, 3738, 4984, 5091, 5142, 5999, 6788, 6856, 7476, 10182, 10284, 11879, 11998, 13576, 14952, 17997, 20364, 20568, 23758, 23996, 35637, 35994, 40728, 47516, 47992, 71274, 71988, 76273, 95032, 142548, 143976, 151033, 152546, 228819, 285096, 302066, 305092, 453099, 457638, 533911, 604132, 610184, 906198, 915276, 1057231, 1067822, 1208264, 1454329, 1601733, 1812396, 1830552, 2114462, 2135644, 2908658, 3171693, 3203466, 3624792, 4228924, 4271288, 4362987, 5817316, 6343386, 6406932, 8457848, 8725974, 10180303, 11634632, 12686772, 12813864, 17451948, 20360606, 25373544, 30540909, 34903896, 40721212, 61081818, 81442424, 122163636, 129435281, 244327272, 258870562, 388305843, 517741124, 776611686, 906046967, 1035482248, 1553223372, 1812093934, 2718140901, 3106446744, 3624187868, 5436281802, 7248375736, 10872563604, 21745127208]

約数ペア:

[(1, 21745127208), (2, 10872563604), (3, 7248375736), (4, 5436281802), (6, 3624187868), (7, 3106446744), (8, 2718140901), (12, 1812093934), (14, 1553223372), (21, 1035482248), (24, 906046967), (28, 776611686), (42, 517741124), (56, 388305843), (84, 258870562), (89, 244327272), (168, 129435281), (178, 122163636), (267, 81442424), (356, 61081818), (534, 40721212), (623, 34903896), (712, 30540909), (857, 25373544), (1068, 20360606), (1246, 17451948), (1697, 12813864), (1714, 12686772), (1869, 11634632), (2136, 10180303), (2492, 8725974), (2571, 8457848), (3394, 6406932), (3428, 6343386), (3738, 5817316), (4984, 4362987), (5091, 4271288), (5142, 4228924), (5999, 3624792), (6788, 3203466), (6856, 3171693), (7476, 2908658), (10182, 2135644), (10284, 2114462), (11879, 1830552), (11998, 1812396), (13576, 1601733), (14952, 1454329), (17997, 1208264), (20364, 1067822), (20568, 1057231), (23758, 915276), (23996, 906198), (35637, 610184), (35994, 604132), (40728, 533911), (47516, 457638), (47992, 453099), (71274, 305092), (71988, 302066), (76273, 285096), (95032, 228819), (142548, 152546), (143976, 151033)]