21082920840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{124339}}^1$

素因数の和:124516

約数の個数: 128

約数和(自身を含む): 70724592000

約数和(自身を除く): 49641671160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 157, 180, 216, 270, 314, 360, 471, 540, 628, 785, 942, 1080, 1256, 1413, 1570, 1884, 2355, 2826, 3140, 3768, 4239, 4710, 5652, 6280, 7065, 8478, 9420, 11304, 14130, 16956, 18840, 21195, 28260, 33912, 42390, 56520, 84780, 124339, 169560, 248678, 373017, 497356, 621695, 746034, 994712, 1119051, 1243390, 1492068, 1865085, 2238102, 2486780, 2984136, 3357153, 3730170, 4476204, 4973560, 5595255, 6714306, 7460340, 8952408, 11190510, 13428612, 14920680, 16785765, 19521223, 22381020, 26857224, 33571530, 39042446, 44762040, 58563669, 67143060, 78084892, 97606115, 117127338, 134286120, 156169784, 175691007, 195212230, 234254676, 292818345, 351382014, 390424460, 468509352, 527073021, 585636690, 702764028, 780848920, 878455035, 1054146042, 1171273380, 1405528056, 1756910070, 2108292084, 2342546760, 2635365105, 3513820140, 4216584168, 5270730210, 7027640280, 10541460420, 21082920840]

約数ペア:

[(1, 21082920840), (2, 10541460420), (3, 7027640280), (4, 5270730210), (5, 4216584168), (6, 3513820140), (8, 2635365105), (9, 2342546760), (10, 2108292084), (12, 1756910070), (15, 1405528056), (18, 1171273380), (20, 1054146042), (24, 878455035), (27, 780848920), (30, 702764028), (36, 585636690), (40, 527073021), (45, 468509352), (54, 390424460), (60, 351382014), (72, 292818345), (90, 234254676), (108, 195212230), (120, 175691007), (135, 156169784), (157, 134286120), (180, 117127338), (216, 97606115), (270, 78084892), (314, 67143060), (360, 58563669), (471, 44762040), (540, 39042446), (628, 33571530), (785, 26857224), (942, 22381020), (1080, 19521223), (1256, 16785765), (1413, 14920680), (1570, 13428612), (1884, 11190510), (2355, 8952408), (2826, 7460340), (3140, 6714306), (3768, 5595255), (4239, 4973560), (4710, 4476204), (5652, 3730170), (6280, 3357153), (7065, 2984136), (8478, 2486780), (9420, 2238102), (11304, 1865085), (14130, 1492068), (16956, 1243390), (18840, 1119051), (21195, 994712), (28260, 746034), (33912, 621695), (42390, 497356), (56520, 373017), (84780, 248678), (124339, 169560)]