21743613180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{13763}}^1$

素因数の和:13976

約数の個数: 144

約数和(自身を含む): 67455932544

約数和(自身を除く): 45712319364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 131, 134, 180, 201, 262, 268, 335, 393, 402, 524, 603, 655, 670, 786, 804, 1005, 1179, 1206, 1310, 1340, 1572, 1965, 2010, 2358, 2412, 2620, 3015, 3930, 4020, 4716, 5895, 6030, 7860, 8777, 11790, 12060, 13763, 17554, 23580, 26331, 27526, 35108, 41289, 43885, 52662, 55052, 68815, 78993, 82578, 87770, 105324, 123867, 131655, 137630, 157986, 165156, 175540, 206445, 247734, 263310, 275260, 315972, 394965, 412890, 495468, 526620, 619335, 789930, 825780, 922121, 1238670, 1579860, 1802953, 1844242, 2477340, 2766363, 3605906, 3688484, 4610605, 5408859, 5532726, 7211812, 8299089, 9014765, 9221210, 10817718, 11065452, 13831815, 16226577, 16598178, 18029530, 18442420, 21635436, 27044295, 27663630, 32453154, 33196356, 36059060, 41495445, 54088590, 55327260, 64906308, 81132885, 82990890, 108177180, 120797851, 162265770, 165981780, 241595702, 324531540, 362393553, 483191404, 603989255, 724787106, 1087180659, 1207978510, 1449574212, 1811967765, 2174361318, 2415957020, 3623935530, 4348722636, 5435903295, 7247871060, 10871806590, 21743613180]

約数ペア:

[(1, 21743613180), (2, 10871806590), (3, 7247871060), (4, 5435903295), (5, 4348722636), (6, 3623935530), (9, 2415957020), (10, 2174361318), (12, 1811967765), (15, 1449574212), (18, 1207978510), (20, 1087180659), (30, 724787106), (36, 603989255), (45, 483191404), (60, 362393553), (67, 324531540), (90, 241595702), (131, 165981780), (134, 162265770), (180, 120797851), (201, 108177180), (262, 82990890), (268, 81132885), (335, 64906308), (393, 55327260), (402, 54088590), (524, 41495445), (603, 36059060), (655, 33196356), (670, 32453154), (786, 27663630), (804, 27044295), (1005, 21635436), (1179, 18442420), (1206, 18029530), (1310, 16598178), (1340, 16226577), (1572, 13831815), (1965, 11065452), (2010, 10817718), (2358, 9221210), (2412, 9014765), (2620, 8299089), (3015, 7211812), (3930, 5532726), (4020, 5408859), (4716, 4610605), (5895, 3688484), (6030, 3605906), (7860, 2766363), (8777, 2477340), (11790, 1844242), (12060, 1802953), (13763, 1579860), (17554, 1238670), (23580, 922121), (26331, 825780), (27526, 789930), (35108, 619335), (41289, 526620), (43885, 495468), (52662, 412890), (55052, 394965), (68815, 315972), (78993, 275260), (82578, 263310), (87770, 247734), (105324, 206445), (123867, 175540), (131655, 165156), (137630, 157986)]