21464436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 38531724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 59, 61, 71, 84, 118, 122, 142, 177, 183, 213, 236, 244, 284, 354, 366, 413, 426, 427, 497, 708, 732, 826, 852, 854, 994, 1239, 1281, 1491, 1652, 1708, 1988, 2478, 2562, 2982, 3599, 4189, 4331, 4956, 5124, 5964, 7198, 8378, 8662, 10797, 12567, 12993, 14396, 16756, 17324, 21594, 25134, 25193, 25986, 29323, 30317, 43188, 50268, 50386, 51972, 58646, 60634, 75579, 87969, 90951, 100772, 117292, 121268, 151158, 175938, 181902, 255529, 302316, 351876, 363804, 511058, 766587, 1022116, 1533174, 1788703, 3066348, 3577406, 5366109, 7154812, 10732218, 21464436]

約数ペア:

[(1, 21464436), (2, 10732218), (3, 7154812), (4, 5366109), (6, 3577406), (7, 3066348), (12, 1788703), (14, 1533174), (21, 1022116), (28, 766587), (42, 511058), (59, 363804), (61, 351876), (71, 302316), (84, 255529), (118, 181902), (122, 175938), (142, 151158), (177, 121268), (183, 117292), (213, 100772), (236, 90951), (244, 87969), (284, 75579), (354, 60634), (366, 58646), (413, 51972), (426, 50386), (427, 50268), (497, 43188), (708, 30317), (732, 29323), (826, 25986), (852, 25193), (854, 25134), (994, 21594), (1239, 17324), (1281, 16756), (1491, 14396), (1652, 12993), (1708, 12567), (1988, 10797), (2478, 8662), (2562, 8378), (2982, 7198), (3599, 5964), (4189, 5124), (4331, 4956)]