21492575982

素因数分解:

$2^1\times 3^2\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{30391}}^1$

素因数の和:30889

約数の個数: 48

約数和(自身を含む): 47150756640

約数和(自身を除く): 25658180658

約数列:

[1, 2, 3, 6, 9, 18, 101, 202, 303, 389, 606, 778, 909, 1167, 1818, 2334, 3501, 7002, 30391, 39289, 60782, 78578, 91173, 117867, 182346, 235734, 273519, 353601, 547038, 707202, 3069491, 6138982, 9208473, 11822099, 18416946, 23644198, 27625419, 35466297, 55250838, 70932594, 106398891, 212797782, 1194031999, 2388063998, 3582095997, 7164191994, 10746287991, 21492575982]

約数ペア:

[(1, 21492575982), (2, 10746287991), (3, 7164191994), (6, 3582095997), (9, 2388063998), (18, 1194031999), (101, 212797782), (202, 106398891), (303, 70932594), (389, 55250838), (606, 35466297), (778, 27625419), (909, 23644198), (1167, 18416946), (1818, 11822099), (2334, 9208473), (3501, 6138982), (7002, 3069491), (30391, 707202), (39289, 547038), (60782, 353601), (78578, 273519), (91173, 235734), (117867, 182346)]