21408313128

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{1297}}^1\times {\mathrm{14633}}^1$

素因数の和:15986

約数の個数: 64

約数和(自身を含む): 54705404160

約数和(自身を除く): 33297091032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 1297, 2594, 3891, 5188, 7782, 10376, 14633, 15564, 29266, 31128, 43899, 58532, 60959, 87798, 117064, 121918, 175596, 182877, 243836, 351192, 365754, 487672, 687751, 731508, 1375502, 1463016, 2063253, 2751004, 4126506, 5502008, 8253012, 16506024, 18979001, 37958002, 56937003, 75916004, 113874006, 151832008, 227748012, 455496024, 892013047, 1784026094, 2676039141, 3568052188, 5352078282, 7136104376, 10704156564, 21408313128]

約数ペア:

[(1, 21408313128), (2, 10704156564), (3, 7136104376), (4, 5352078282), (6, 3568052188), (8, 2676039141), (12, 1784026094), (24, 892013047), (47, 455496024), (94, 227748012), (141, 151832008), (188, 113874006), (282, 75916004), (376, 56937003), (564, 37958002), (1128, 18979001), (1297, 16506024), (2594, 8253012), (3891, 5502008), (5188, 4126506), (7782, 2751004), (10376, 2063253), (14633, 1463016), (15564, 1375502), (29266, 731508), (31128, 687751), (43899, 487672), (58532, 365754), (60959, 351192), (87798, 243836), (117064, 182877), (121918, 175596)]