21770532

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:383

約数の個数: 120

約数和(自身を含む): 67488960

約数和(自身を除く): 45718428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 81, 84, 87, 108, 116, 126, 162, 174, 189, 203, 252, 261, 324, 331, 348, 378, 406, 522, 567, 609, 662, 756, 783, 812, 993, 1044, 1134, 1218, 1324, 1566, 1827, 1986, 2268, 2317, 2349, 2436, 2979, 3132, 3654, 3972, 4634, 4698, 5481, 5958, 6951, 7308, 8937, 9268, 9396, 9599, 10962, 11916, 13902, 16443, 17874, 19198, 20853, 21924, 26811, 27804, 28797, 32886, 35748, 38396, 41706, 53622, 57594, 62559, 65772, 67193, 83412, 86391, 107244, 115188, 125118, 134386, 172782, 187677, 201579, 250236, 259173, 268772, 345564, 375354, 403158, 518346, 604737, 750708, 777519, 806316, 1036692, 1209474, 1555038, 1814211, 2418948, 3110076, 3628422, 5442633, 7256844, 10885266, 21770532]

約数ペア:

[(1, 21770532), (2, 10885266), (3, 7256844), (4, 5442633), (6, 3628422), (7, 3110076), (9, 2418948), (12, 1814211), (14, 1555038), (18, 1209474), (21, 1036692), (27, 806316), (28, 777519), (29, 750708), (36, 604737), (42, 518346), (54, 403158), (58, 375354), (63, 345564), (81, 268772), (84, 259173), (87, 250236), (108, 201579), (116, 187677), (126, 172782), (162, 134386), (174, 125118), (189, 115188), (203, 107244), (252, 86391), (261, 83412), (324, 67193), (331, 65772), (348, 62559), (378, 57594), (406, 53622), (522, 41706), (567, 38396), (609, 35748), (662, 32886), (756, 28797), (783, 27804), (812, 26811), (993, 21924), (1044, 20853), (1134, 19198), (1218, 17874), (1324, 16443), (1566, 13902), (1827, 11916), (1986, 10962), (2268, 9599), (2317, 9396), (2349, 9268), (2436, 8937), (2979, 7308), (3132, 6951), (3654, 5958), (3972, 5481), (4634, 4698)]