21553907664

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^3\times {\mathrm{15073}}^1$

素因数の和:15177

約数の個数: 80

約数和(自身を含む): 57540713984

約数和(自身を除く): 35986806320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 961, 1488, 1922, 2883, 3844, 5766, 7688, 11532, 15073, 15376, 23064, 29791, 30146, 45219, 46128, 59582, 60292, 89373, 90438, 119164, 120584, 178746, 180876, 238328, 241168, 357492, 361752, 467263, 476656, 714984, 723504, 934526, 1401789, 1429968, 1869052, 2803578, 3738104, 5607156, 7476208, 11214312, 14485153, 22428624, 28970306, 43455459, 57940612, 86910918, 115881224, 173821836, 231762448, 347643672, 449039743, 695287344, 898079486, 1347119229, 1796158972, 2694238458, 3592317944, 5388476916, 7184635888, 10776953832, 21553907664]

約数ペア:

[(1, 21553907664), (2, 10776953832), (3, 7184635888), (4, 5388476916), (6, 3592317944), (8, 2694238458), (12, 1796158972), (16, 1347119229), (24, 898079486), (31, 695287344), (48, 449039743), (62, 347643672), (93, 231762448), (124, 173821836), (186, 115881224), (248, 86910918), (372, 57940612), (496, 43455459), (744, 28970306), (961, 22428624), (1488, 14485153), (1922, 11214312), (2883, 7476208), (3844, 5607156), (5766, 3738104), (7688, 2803578), (11532, 1869052), (15073, 1429968), (15376, 1401789), (23064, 934526), (29791, 723504), (30146, 714984), (45219, 476656), (46128, 467263), (59582, 361752), (60292, 357492), (89373, 241168), (90438, 238328), (119164, 180876), (120584, 178746)]