21326880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:458

約数の個数: 96

約数和(自身を含む): 67846464

約数和(自身を除く): 46519584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 157, 160, 240, 283, 314, 471, 480, 566, 628, 785, 849, 942, 1132, 1256, 1415, 1570, 1698, 1884, 2264, 2355, 2512, 2830, 3140, 3396, 3768, 4245, 4528, 4710, 5024, 5660, 6280, 6792, 7536, 8490, 9056, 9420, 11320, 12560, 13584, 15072, 16980, 18840, 22640, 25120, 27168, 33960, 37680, 44431, 45280, 67920, 75360, 88862, 133293, 135840, 177724, 222155, 266586, 355448, 444310, 533172, 666465, 710896, 888620, 1066344, 1332930, 1421792, 1777240, 2132688, 2665860, 3554480, 4265376, 5331720, 7108960, 10663440, 21326880]

約数ペア:

[(1, 21326880), (2, 10663440), (3, 7108960), (4, 5331720), (5, 4265376), (6, 3554480), (8, 2665860), (10, 2132688), (12, 1777240), (15, 1421792), (16, 1332930), (20, 1066344), (24, 888620), (30, 710896), (32, 666465), (40, 533172), (48, 444310), (60, 355448), (80, 266586), (96, 222155), (120, 177724), (157, 135840), (160, 133293), (240, 88862), (283, 75360), (314, 67920), (471, 45280), (480, 44431), (566, 37680), (628, 33960), (785, 27168), (849, 25120), (942, 22640), (1132, 18840), (1256, 16980), (1415, 15072), (1570, 13584), (1698, 12560), (1884, 11320), (2264, 9420), (2355, 9056), (2512, 8490), (2830, 7536), (3140, 6792), (3396, 6280), (3768, 5660), (4245, 5024), (4528, 4710)]