21312288

素因数分解:

$2^5\times 3^3\times {\mathrm{17}}^1\times {\mathrm{1451}}^1$

素因数の和:1487

約数の個数: 96

約数和(自身を含む): 65862720

約数和(自身を除く): 44550432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 96, 102, 108, 136, 144, 153, 204, 216, 272, 288, 306, 408, 432, 459, 544, 612, 816, 864, 918, 1224, 1451, 1632, 1836, 2448, 2902, 3672, 4353, 4896, 5804, 7344, 8706, 11608, 13059, 14688, 17412, 23216, 24667, 26118, 34824, 39177, 46432, 49334, 52236, 69648, 74001, 78354, 98668, 104472, 139296, 148002, 156708, 197336, 208944, 222003, 296004, 313416, 394672, 417888, 444006, 592008, 626832, 666009, 789344, 888012, 1184016, 1253664, 1332018, 1776024, 2368032, 2664036, 3552048, 5328072, 7104096, 10656144, 21312288]

約数ペア:

[(1, 21312288), (2, 10656144), (3, 7104096), (4, 5328072), (6, 3552048), (8, 2664036), (9, 2368032), (12, 1776024), (16, 1332018), (17, 1253664), (18, 1184016), (24, 888012), (27, 789344), (32, 666009), (34, 626832), (36, 592008), (48, 444006), (51, 417888), (54, 394672), (68, 313416), (72, 296004), (96, 222003), (102, 208944), (108, 197336), (136, 156708), (144, 148002), (153, 139296), (204, 104472), (216, 98668), (272, 78354), (288, 74001), (306, 69648), (408, 52236), (432, 49334), (459, 46432), (544, 39177), (612, 34824), (816, 26118), (864, 24667), (918, 23216), (1224, 17412), (1451, 14688), (1632, 13059), (1836, 11608), (2448, 8706), (2902, 7344), (3672, 5804), (4353, 4896)]