21131473584

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{149183}}^1$

素因数の和:149434

約数の個数: 80

約数和(自身を含む): 59048220672

約数和(自身を除く): 37916747088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 227, 312, 454, 624, 681, 908, 1362, 1816, 2724, 2951, 3632, 5448, 5902, 8853, 10896, 11804, 17706, 23608, 35412, 47216, 70824, 141648, 149183, 298366, 447549, 596732, 895098, 1193464, 1790196, 1939379, 2386928, 3580392, 3878758, 5818137, 7160784, 7757516, 11636274, 15515032, 23272548, 31030064, 33864541, 46545096, 67729082, 93090192, 101593623, 135458164, 203187246, 270916328, 406374492, 440239033, 541832656, 812748984, 880478066, 1320717099, 1625497968, 1760956132, 2641434198, 3521912264, 5282868396, 7043824528, 10565736792, 21131473584]

約数ペア:

[(1, 21131473584), (2, 10565736792), (3, 7043824528), (4, 5282868396), (6, 3521912264), (8, 2641434198), (12, 1760956132), (13, 1625497968), (16, 1320717099), (24, 880478066), (26, 812748984), (39, 541832656), (48, 440239033), (52, 406374492), (78, 270916328), (104, 203187246), (156, 135458164), (208, 101593623), (227, 93090192), (312, 67729082), (454, 46545096), (624, 33864541), (681, 31030064), (908, 23272548), (1362, 15515032), (1816, 11636274), (2724, 7757516), (2951, 7160784), (3632, 5818137), (5448, 3878758), (5902, 3580392), (8853, 2386928), (10896, 1939379), (11804, 1790196), (17706, 1193464), (23608, 895098), (35412, 596732), (47216, 447549), (70824, 298366), (141648, 149183)]