21789483660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2470463}}^1$

素因数の和:2470492

約数の個数: 108

約数和(自身を含む): 76885780608

約数和(自身を除く): 55096296948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 2470463, 4940926, 7411389, 9881852, 12352315, 14822778, 17293241, 22234167, 24704630, 29645556, 34586482, 37056945, 44468334, 49409260, 51879723, 69172964, 74113890, 86466205, 88936668, 103759446, 111170835, 121052687, 148227780, 155639169, 172932410, 207518892, 222341670, 242105374, 259398615, 311278338, 345864820, 363158061, 444683340, 484210748, 518797230, 605263435, 622556676, 726316122, 778195845, 1037594460, 1089474183, 1210526870, 1452632244, 1556391690, 1815790305, 2178948366, 2421053740, 3112783380, 3631580610, 4357896732, 5447370915, 7263161220, 10894741830, 21789483660]

約数ペア:

[(1, 21789483660), (2, 10894741830), (3, 7263161220), (4, 5447370915), (5, 4357896732), (6, 3631580610), (7, 3112783380), (9, 2421053740), (10, 2178948366), (12, 1815790305), (14, 1556391690), (15, 1452632244), (18, 1210526870), (20, 1089474183), (21, 1037594460), (28, 778195845), (30, 726316122), (35, 622556676), (36, 605263435), (42, 518797230), (45, 484210748), (49, 444683340), (60, 363158061), (63, 345864820), (70, 311278338), (84, 259398615), (90, 242105374), (98, 222341670), (105, 207518892), (126, 172932410), (140, 155639169), (147, 148227780), (180, 121052687), (196, 111170835), (210, 103759446), (245, 88936668), (252, 86466205), (294, 74113890), (315, 69172964), (420, 51879723), (441, 49409260), (490, 44468334), (588, 37056945), (630, 34586482), (735, 29645556), (882, 24704630), (980, 22234167), (1260, 17293241), (1470, 14822778), (1764, 12352315), (2205, 9881852), (2940, 7411389), (4410, 4940926), (8820, 2470463)]