21619512

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{1039}}^1$

素因数の和:1085

約数の個数: 72

約数和(自身を含む): 62259600

約数和(自身を除く): 40640088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 289, 306, 408, 578, 612, 867, 1039, 1156, 1224, 1734, 2078, 2312, 2601, 3117, 3468, 4156, 5202, 6234, 6936, 8312, 9351, 10404, 12468, 17663, 18702, 20808, 24936, 35326, 37404, 52989, 70652, 74808, 105978, 141304, 158967, 211956, 300271, 317934, 423912, 600542, 635868, 900813, 1201084, 1271736, 1801626, 2402168, 2702439, 3603252, 5404878, 7206504, 10809756, 21619512]

約数ペア:

[(1, 21619512), (2, 10809756), (3, 7206504), (4, 5404878), (6, 3603252), (8, 2702439), (9, 2402168), (12, 1801626), (17, 1271736), (18, 1201084), (24, 900813), (34, 635868), (36, 600542), (51, 423912), (68, 317934), (72, 300271), (102, 211956), (136, 158967), (153, 141304), (204, 105978), (289, 74808), (306, 70652), (408, 52989), (578, 37404), (612, 35326), (867, 24936), (1039, 20808), (1156, 18702), (1224, 17663), (1734, 12468), (2078, 10404), (2312, 9351), (2601, 8312), (3117, 6936), (3468, 6234), (4156, 5202)]