21115224

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1327}}^1$

素因数の和:1369

約数の個数: 96

約数和(自身を含む): 65257920

約数和(自身を除く): 44142696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 78, 102, 104, 117, 136, 153, 156, 204, 221, 234, 306, 312, 408, 442, 468, 612, 663, 884, 936, 1224, 1326, 1327, 1768, 1989, 2652, 2654, 3978, 3981, 5304, 5308, 7956, 7962, 10616, 11943, 15912, 15924, 17251, 22559, 23886, 31848, 34502, 45118, 47772, 51753, 67677, 69004, 90236, 95544, 103506, 135354, 138008, 155259, 180472, 203031, 207012, 270708, 293267, 310518, 406062, 414024, 541416, 586534, 621036, 812124, 879801, 1173068, 1242072, 1624248, 1759602, 2346136, 2639403, 3519204, 5278806, 7038408, 10557612, 21115224]

約数ペア:

[(1, 21115224), (2, 10557612), (3, 7038408), (4, 5278806), (6, 3519204), (8, 2639403), (9, 2346136), (12, 1759602), (13, 1624248), (17, 1242072), (18, 1173068), (24, 879801), (26, 812124), (34, 621036), (36, 586534), (39, 541416), (51, 414024), (52, 406062), (68, 310518), (72, 293267), (78, 270708), (102, 207012), (104, 203031), (117, 180472), (136, 155259), (153, 138008), (156, 135354), (204, 103506), (221, 95544), (234, 90236), (306, 69004), (312, 67677), (408, 51753), (442, 47772), (468, 45118), (612, 34502), (663, 31848), (884, 23886), (936, 22559), (1224, 17251), (1326, 15924), (1327, 15912), (1768, 11943), (1989, 10616), (2652, 7962), (2654, 7956), (3978, 5308), (3981, 5304)]