21735112

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^3\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 50112000

約数和(自身を除く): 28376888

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 79, 119, 136, 158, 238, 289, 316, 476, 553, 578, 632, 952, 1106, 1156, 1343, 2023, 2212, 2312, 2686, 4046, 4424, 4913, 5372, 8092, 9401, 9826, 10744, 16184, 18802, 19652, 22831, 34391, 37604, 39304, 45662, 68782, 75208, 91324, 137564, 159817, 182648, 275128, 319634, 388127, 639268, 776254, 1278536, 1552508, 2716889, 3105016, 5433778, 10867556, 21735112]

約数ペア:

[(1, 21735112), (2, 10867556), (4, 5433778), (7, 3105016), (8, 2716889), (14, 1552508), (17, 1278536), (28, 776254), (34, 639268), (56, 388127), (68, 319634), (79, 275128), (119, 182648), (136, 159817), (158, 137564), (238, 91324), (289, 75208), (316, 68782), (476, 45662), (553, 39304), (578, 37604), (632, 34391), (952, 22831), (1106, 19652), (1156, 18802), (1343, 16184), (2023, 10744), (2212, 9826), (2312, 9401), (2686, 8092), (4046, 5372), (4424, 4913)]