21575736

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 74692800

約数和(自身を除く): 53117064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 37, 39, 42, 52, 56, 63, 72, 74, 78, 84, 89, 91, 104, 111, 117, 126, 148, 156, 168, 178, 182, 222, 234, 252, 259, 267, 273, 296, 312, 333, 356, 364, 444, 468, 481, 504, 518, 534, 546, 623, 666, 712, 728, 777, 801, 819, 888, 936, 962, 1036, 1068, 1092, 1157, 1246, 1332, 1443, 1554, 1602, 1638, 1869, 1924, 2072, 2136, 2184, 2314, 2331, 2492, 2664, 2886, 3108, 3204, 3276, 3293, 3367, 3471, 3738, 3848, 4329, 4628, 4662, 4984, 5607, 5772, 6216, 6408, 6552, 6586, 6734, 6942, 7476, 8099, 8658, 9256, 9324, 9879, 10101, 10413, 11214, 11544, 13172, 13468, 13884, 14952, 16198, 17316, 18648, 19758, 20202, 20826, 22428, 23051, 24297, 26344, 26936, 27768, 29637, 30303, 32396, 34632, 39516, 40404, 41652, 42809, 44856, 46102, 48594, 59274, 60606, 64792, 69153, 72891, 79032, 80808, 83304, 85618, 92204, 97188, 118548, 121212, 128427, 138306, 145782, 171236, 184408, 194376, 207459, 237096, 242424, 256854, 276612, 291564, 299663, 342472, 385281, 414918, 513708, 553224, 583128, 599326, 770562, 829836, 898989, 1027416, 1198652, 1541124, 1659672, 1797978, 2397304, 2696967, 3082248, 3595956, 5393934, 7191912, 10787868, 21575736]

約数ペア:

[(1, 21575736), (2, 10787868), (3, 7191912), (4, 5393934), (6, 3595956), (7, 3082248), (8, 2696967), (9, 2397304), (12, 1797978), (13, 1659672), (14, 1541124), (18, 1198652), (21, 1027416), (24, 898989), (26, 829836), (28, 770562), (36, 599326), (37, 583128), (39, 553224), (42, 513708), (52, 414918), (56, 385281), (63, 342472), (72, 299663), (74, 291564), (78, 276612), (84, 256854), (89, 242424), (91, 237096), (104, 207459), (111, 194376), (117, 184408), (126, 171236), (148, 145782), (156, 138306), (168, 128427), (178, 121212), (182, 118548), (222, 97188), (234, 92204), (252, 85618), (259, 83304), (267, 80808), (273, 79032), (296, 72891), (312, 69153), (333, 64792), (356, 60606), (364, 59274), (444, 48594), (468, 46102), (481, 44856), (504, 42809), (518, 41652), (534, 40404), (546, 39516), (623, 34632), (666, 32396), (712, 30303), (728, 29637), (777, 27768), (801, 26936), (819, 26344), (888, 24297), (936, 23051), (962, 22428), (1036, 20826), (1068, 20202), (1092, 19758), (1157, 18648), (1246, 17316), (1332, 16198), (1443, 14952), (1554, 13884), (1602, 13468), (1638, 13172), (1869, 11544), (1924, 11214), (2072, 10413), (2136, 10101), (2184, 9879), (2314, 9324), (2331, 9256), (2492, 8658), (2664, 8099), (2886, 7476), (3108, 6942), (3204, 6734), (3276, 6586), (3293, 6552), (3367, 6408), (3471, 6216), (3738, 5772), (3848, 5607), (4329, 4984), (4628, 4662)]