21696012

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 65493792

約数和(自身を除く): 43797780

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 81, 101, 102, 108, 117, 153, 156, 162, 202, 204, 221, 234, 243, 303, 306, 324, 351, 404, 442, 459, 468, 486, 606, 612, 663, 702, 884, 909, 918, 972, 1053, 1212, 1313, 1326, 1377, 1404, 1717, 1818, 1836, 1989, 2106, 2626, 2652, 2727, 2754, 3159, 3434, 3636, 3939, 3978, 4131, 4212, 5151, 5252, 5454, 5508, 5967, 6318, 6868, 7878, 7956, 8181, 8262, 10302, 10908, 11817, 11934, 12636, 15453, 15756, 16362, 16524, 17901, 20604, 22321, 23634, 23868, 24543, 30906, 32724, 35451, 35802, 44642, 46359, 47268, 49086, 53703, 61812, 66963, 70902, 71604, 89284, 92718, 98172, 106353, 107406, 133926, 139077, 141804, 185436, 200889, 212706, 214812, 267852, 278154, 319059, 401778, 417231, 425412, 556308, 602667, 638118, 803556, 834462, 1205334, 1276236, 1668924, 1808001, 2410668, 3616002, 5424003, 7232004, 10848006, 21696012]

約数ペア:

[(1, 21696012), (2, 10848006), (3, 7232004), (4, 5424003), (6, 3616002), (9, 2410668), (12, 1808001), (13, 1668924), (17, 1276236), (18, 1205334), (26, 834462), (27, 803556), (34, 638118), (36, 602667), (39, 556308), (51, 425412), (52, 417231), (54, 401778), (68, 319059), (78, 278154), (81, 267852), (101, 214812), (102, 212706), (108, 200889), (117, 185436), (153, 141804), (156, 139077), (162, 133926), (202, 107406), (204, 106353), (221, 98172), (234, 92718), (243, 89284), (303, 71604), (306, 70902), (324, 66963), (351, 61812), (404, 53703), (442, 49086), (459, 47268), (468, 46359), (486, 44642), (606, 35802), (612, 35451), (663, 32724), (702, 30906), (884, 24543), (909, 23868), (918, 23634), (972, 22321), (1053, 20604), (1212, 17901), (1313, 16524), (1326, 16362), (1377, 15756), (1404, 15453), (1717, 12636), (1818, 11934), (1836, 11817), (1989, 10908), (2106, 10302), (2626, 8262), (2652, 8181), (2727, 7956), (2754, 7878), (3159, 6868), (3434, 6318), (3636, 5967), (3939, 5508), (3978, 5454), (4131, 5252), (4212, 5151)]