21697416

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7727}}^1$

素因数の和:7755

約数の個数: 64

約数和(自身を含む): 64915200

約数和(自身を除く): 43217784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7727, 15454, 23181, 30908, 46362, 61816, 69543, 92724, 100451, 139086, 185448, 200902, 208629, 278172, 301353, 401804, 417258, 556344, 602706, 803608, 834516, 904059, 1205412, 1669032, 1808118, 2410824, 2712177, 3616236, 5424354, 7232472, 10848708, 21697416]

約数ペア:

[(1, 21697416), (2, 10848708), (3, 7232472), (4, 5424354), (6, 3616236), (8, 2712177), (9, 2410824), (12, 1808118), (13, 1669032), (18, 1205412), (24, 904059), (26, 834516), (27, 803608), (36, 602706), (39, 556344), (52, 417258), (54, 401804), (72, 301353), (78, 278172), (104, 208629), (108, 200902), (117, 185448), (156, 139086), (216, 100451), (234, 92724), (312, 69543), (351, 61816), (468, 46362), (702, 30908), (936, 23181), (1404, 15454), (2808, 7727)]