21401130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1447}}^1$

素因数の和:1503

約数の個数: 64

約数和(自身を含む): 56298240

約数和(自身を除く): 34897110

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 34, 51, 58, 85, 87, 102, 145, 170, 174, 255, 290, 435, 493, 510, 870, 986, 1447, 1479, 2465, 2894, 2958, 4341, 4930, 7235, 7395, 8682, 14470, 14790, 21705, 24599, 41963, 43410, 49198, 73797, 83926, 122995, 125889, 147594, 209815, 245990, 251778, 368985, 419630, 629445, 713371, 737970, 1258890, 1426742, 2140113, 3566855, 4280226, 7133710, 10700565, 21401130]

約数ペア:

[(1, 21401130), (2, 10700565), (3, 7133710), (5, 4280226), (6, 3566855), (10, 2140113), (15, 1426742), (17, 1258890), (29, 737970), (30, 713371), (34, 629445), (51, 419630), (58, 368985), (85, 251778), (87, 245990), (102, 209815), (145, 147594), (170, 125889), (174, 122995), (255, 83926), (290, 73797), (435, 49198), (493, 43410), (510, 41963), (870, 24599), (986, 21705), (1447, 14790), (1479, 14470), (2465, 8682), (2894, 7395), (2958, 7235), (4341, 4930)]