21032856

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1025

約数の個数: 96

約数和(自身を含む): 64078560

約数和(自身を除く): 43045704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 36, 39, 46, 52, 69, 72, 78, 92, 104, 117, 138, 156, 184, 207, 234, 276, 299, 312, 414, 468, 552, 598, 828, 897, 936, 977, 1196, 1656, 1794, 1954, 2392, 2691, 2931, 3588, 3908, 5382, 5862, 7176, 7816, 8793, 10764, 11724, 12701, 17586, 21528, 22471, 23448, 25402, 35172, 38103, 44942, 50804, 67413, 70344, 76206, 89884, 101608, 114309, 134826, 152412, 179768, 202239, 228618, 269652, 292123, 304824, 404478, 457236, 539304, 584246, 808956, 876369, 914472, 1168492, 1617912, 1752738, 2336984, 2629107, 3505476, 5258214, 7010952, 10516428, 21032856]

約数ペア:

[(1, 21032856), (2, 10516428), (3, 7010952), (4, 5258214), (6, 3505476), (8, 2629107), (9, 2336984), (12, 1752738), (13, 1617912), (18, 1168492), (23, 914472), (24, 876369), (26, 808956), (36, 584246), (39, 539304), (46, 457236), (52, 404478), (69, 304824), (72, 292123), (78, 269652), (92, 228618), (104, 202239), (117, 179768), (138, 152412), (156, 134826), (184, 114309), (207, 101608), (234, 89884), (276, 76206), (299, 70344), (312, 67413), (414, 50804), (468, 44942), (552, 38103), (598, 35172), (828, 25402), (897, 23448), (936, 22471), (977, 21528), (1196, 17586), (1656, 12701), (1794, 11724), (1954, 10764), (2392, 8793), (2691, 7816), (2931, 7176), (3588, 5862), (3908, 5382)]