21030948

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:346

約数の個数: 96

約数和(自身を含む): 59158400

約数和(自身を除く): 38127452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 37, 38, 54, 57, 74, 76, 108, 111, 114, 148, 171, 222, 228, 277, 333, 342, 444, 513, 554, 666, 684, 703, 831, 999, 1026, 1108, 1332, 1406, 1662, 1998, 2052, 2109, 2493, 2812, 3324, 3996, 4218, 4986, 5263, 6327, 7479, 8436, 9972, 10249, 10526, 12654, 14958, 15789, 18981, 20498, 21052, 25308, 29916, 30747, 31578, 37962, 40996, 47367, 61494, 63156, 75924, 92241, 94734, 122988, 142101, 184482, 189468, 194731, 276723, 284202, 368964, 389462, 553446, 568404, 584193, 778924, 1106892, 1168386, 1752579, 2336772, 3505158, 5257737, 7010316, 10515474, 21030948]

約数ペア:

[(1, 21030948), (2, 10515474), (3, 7010316), (4, 5257737), (6, 3505158), (9, 2336772), (12, 1752579), (18, 1168386), (19, 1106892), (27, 778924), (36, 584193), (37, 568404), (38, 553446), (54, 389462), (57, 368964), (74, 284202), (76, 276723), (108, 194731), (111, 189468), (114, 184482), (148, 142101), (171, 122988), (222, 94734), (228, 92241), (277, 75924), (333, 63156), (342, 61494), (444, 47367), (513, 40996), (554, 37962), (666, 31578), (684, 30747), (703, 29916), (831, 25308), (999, 21052), (1026, 20498), (1108, 18981), (1332, 15789), (1406, 14958), (1662, 12654), (1998, 10526), (2052, 10249), (2109, 9972), (2493, 8436), (2812, 7479), (3324, 6327), (3996, 5263), (4218, 4986)]