21333816840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{819271}}^1$

素因数の和:819323

約数の個数: 128

約数和(自身を含む): 75504107520

約数和(自身を除く): 54170290680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 819271, 1638542, 2457813, 3277084, 4096355, 4915626, 5734897, 6554168, 8192710, 9831252, 11469794, 12289065, 16385420, 17204691, 19662504, 22939588, 24578130, 25397401, 28674485, 32770840, 34409382, 45879176, 49156260, 50794802, 57348970, 68818764, 76192203, 86023455, 98312520, 101589604, 114697940, 126987005, 137637528, 152384406, 172046910, 177781807, 203179208, 229395880, 253974010, 304768812, 344093820, 355563614, 380961015, 507948020, 533345421, 609537624, 688187640, 711127228, 761922030, 888909035, 1015896040, 1066690842, 1422254456, 1523844060, 1777818070, 2133381684, 2666727105, 3047688120, 3555636140, 4266763368, 5333454210, 7111272280, 10666908420, 21333816840]

約数ペア:

[(1, 21333816840), (2, 10666908420), (3, 7111272280), (4, 5333454210), (5, 4266763368), (6, 3555636140), (7, 3047688120), (8, 2666727105), (10, 2133381684), (12, 1777818070), (14, 1523844060), (15, 1422254456), (20, 1066690842), (21, 1015896040), (24, 888909035), (28, 761922030), (30, 711127228), (31, 688187640), (35, 609537624), (40, 533345421), (42, 507948020), (56, 380961015), (60, 355563614), (62, 344093820), (70, 304768812), (84, 253974010), (93, 229395880), (105, 203179208), (120, 177781807), (124, 172046910), (140, 152384406), (155, 137637528), (168, 126987005), (186, 114697940), (210, 101589604), (217, 98312520), (248, 86023455), (280, 76192203), (310, 68818764), (372, 57348970), (420, 50794802), (434, 49156260), (465, 45879176), (620, 34409382), (651, 32770840), (744, 28674485), (840, 25397401), (868, 24578130), (930, 22939588), (1085, 19662504), (1240, 17204691), (1302, 16385420), (1736, 12289065), (1860, 11469794), (2170, 9831252), (2604, 8192710), (3255, 6554168), (3720, 5734897), (4340, 4915626), (5208, 4096355), (6510, 3277084), (8680, 2457813), (13020, 1638542), (26040, 819271)]