21330648

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 64843200

約数和(自身を除く): 43512552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 37, 51, 54, 68, 72, 74, 102, 108, 111, 136, 148, 153, 157, 204, 216, 222, 296, 306, 314, 333, 408, 444, 459, 471, 612, 628, 629, 666, 888, 918, 942, 999, 1224, 1256, 1258, 1332, 1413, 1836, 1884, 1887, 1998, 2516, 2664, 2669, 2826, 3672, 3768, 3774, 3996, 4239, 5032, 5338, 5652, 5661, 5809, 7548, 7992, 8007, 8478, 10676, 11304, 11322, 11618, 15096, 16014, 16956, 16983, 17427, 21352, 22644, 23236, 24021, 32028, 33912, 33966, 34854, 45288, 46472, 48042, 52281, 64056, 67932, 69708, 72063, 96084, 98753, 104562, 135864, 139416, 144126, 156843, 192168, 197506, 209124, 288252, 296259, 313686, 395012, 418248, 576504, 592518, 627372, 790024, 888777, 1185036, 1254744, 1777554, 2370072, 2666331, 3555108, 5332662, 7110216, 10665324, 21330648]

約数ペア:

[(1, 21330648), (2, 10665324), (3, 7110216), (4, 5332662), (6, 3555108), (8, 2666331), (9, 2370072), (12, 1777554), (17, 1254744), (18, 1185036), (24, 888777), (27, 790024), (34, 627372), (36, 592518), (37, 576504), (51, 418248), (54, 395012), (68, 313686), (72, 296259), (74, 288252), (102, 209124), (108, 197506), (111, 192168), (136, 156843), (148, 144126), (153, 139416), (157, 135864), (204, 104562), (216, 98753), (222, 96084), (296, 72063), (306, 69708), (314, 67932), (333, 64056), (408, 52281), (444, 48042), (459, 46472), (471, 45288), (612, 34854), (628, 33966), (629, 33912), (666, 32028), (888, 24021), (918, 23236), (942, 22644), (999, 21352), (1224, 17427), (1256, 16983), (1258, 16956), (1332, 16014), (1413, 15096), (1836, 11618), (1884, 11322), (1887, 11304), (1998, 10676), (2516, 8478), (2664, 8007), (2669, 7992), (2826, 7548), (3672, 5809), (3768, 5661), (3774, 5652), (3996, 5338), (4239, 5032)]