21280534992

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{66359}}^1$

素因数の和:66521

約数の個数: 120

約数和(自身を含む): 63541558080

約数和(自身を除く): 42261023088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 131, 136, 144, 153, 204, 262, 272, 306, 393, 408, 524, 612, 786, 816, 1048, 1179, 1224, 1572, 2096, 2227, 2358, 2448, 3144, 4454, 4716, 6288, 6681, 8908, 9432, 13362, 17816, 18864, 20043, 26724, 35632, 40086, 53448, 66359, 80172, 106896, 132718, 160344, 199077, 265436, 320688, 398154, 530872, 597231, 796308, 1061744, 1128103, 1194462, 1592616, 2256206, 2388924, 3185232, 3384309, 4512412, 4777848, 6768618, 8693029, 9024824, 9555696, 10152927, 13537236, 17386058, 18049648, 20305854, 26079087, 27074472, 34772116, 40611708, 52158174, 54148944, 69544232, 78237261, 81223416, 104316348, 139088464, 147781493, 156474522, 162446832, 208632696, 295562986, 312949044, 417265392, 443344479, 591125972, 625898088, 886688958, 1182251944, 1251796176, 1330033437, 1773377916, 2364503888, 2660066874, 3546755832, 5320133748, 7093511664, 10640267496, 21280534992]

約数ペア:

[(1, 21280534992), (2, 10640267496), (3, 7093511664), (4, 5320133748), (6, 3546755832), (8, 2660066874), (9, 2364503888), (12, 1773377916), (16, 1330033437), (17, 1251796176), (18, 1182251944), (24, 886688958), (34, 625898088), (36, 591125972), (48, 443344479), (51, 417265392), (68, 312949044), (72, 295562986), (102, 208632696), (131, 162446832), (136, 156474522), (144, 147781493), (153, 139088464), (204, 104316348), (262, 81223416), (272, 78237261), (306, 69544232), (393, 54148944), (408, 52158174), (524, 40611708), (612, 34772116), (786, 27074472), (816, 26079087), (1048, 20305854), (1179, 18049648), (1224, 17386058), (1572, 13537236), (2096, 10152927), (2227, 9555696), (2358, 9024824), (2448, 8693029), (3144, 6768618), (4454, 4777848), (4716, 4512412), (6288, 3384309), (6681, 3185232), (8908, 2388924), (9432, 2256206), (13362, 1592616), (17816, 1194462), (18864, 1128103), (20043, 1061744), (26724, 796308), (35632, 597231), (40086, 530872), (53448, 398154), (66359, 320688), (80172, 265436), (106896, 199077), (132718, 160344)]