21740238

素因数分解:

$2^1\times 3^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 112

約数和(自身を含む): 55821696

約数和(自身を除く): 34081458

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 37, 39, 54, 62, 74, 78, 81, 93, 111, 117, 162, 186, 222, 234, 243, 279, 333, 351, 403, 481, 486, 558, 666, 702, 729, 806, 837, 962, 999, 1053, 1147, 1209, 1443, 1458, 1674, 1998, 2106, 2294, 2418, 2511, 2886, 2997, 3159, 3441, 3627, 4329, 5022, 5994, 6318, 6882, 7254, 7533, 8658, 8991, 9477, 10323, 10881, 12987, 14911, 15066, 17982, 18954, 20646, 21762, 22599, 25974, 26973, 29822, 30969, 32643, 38961, 44733, 45198, 53946, 61938, 65286, 77922, 89466, 92907, 97929, 116883, 134199, 185814, 195858, 233766, 268398, 278721, 293787, 350649, 402597, 557442, 587574, 701298, 805194, 836163, 1207791, 1672326, 2415582, 3623373, 7246746, 10870119, 21740238]

約数ペア:

[(1, 21740238), (2, 10870119), (3, 7246746), (6, 3623373), (9, 2415582), (13, 1672326), (18, 1207791), (26, 836163), (27, 805194), (31, 701298), (37, 587574), (39, 557442), (54, 402597), (62, 350649), (74, 293787), (78, 278721), (81, 268398), (93, 233766), (111, 195858), (117, 185814), (162, 134199), (186, 116883), (222, 97929), (234, 92907), (243, 89466), (279, 77922), (333, 65286), (351, 61938), (403, 53946), (481, 45198), (486, 44733), (558, 38961), (666, 32643), (702, 30969), (729, 29822), (806, 26973), (837, 25974), (962, 22599), (999, 21762), (1053, 20646), (1147, 18954), (1209, 17982), (1443, 15066), (1458, 14911), (1674, 12987), (1998, 10881), (2106, 10323), (2294, 9477), (2418, 8991), (2511, 8658), (2886, 7533), (2997, 7254), (3159, 6882), (3441, 6318), (3627, 5994), (4329, 5022)]