21622240

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2017}}^1$

素因数の和:2099

約数の個数: 48

約数和(自身を含む): 51870672

約数和(自身を除く): 30248432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2017, 2144, 2680, 4034, 5360, 8068, 10085, 10720, 16136, 20170, 32272, 40340, 64544, 80680, 135139, 161360, 270278, 322720, 540556, 675695, 1081112, 1351390, 2162224, 2702780, 4324448, 5405560, 10811120, 21622240]

約数ペア:

[(1, 21622240), (2, 10811120), (4, 5405560), (5, 4324448), (8, 2702780), (10, 2162224), (16, 1351390), (20, 1081112), (32, 675695), (40, 540556), (67, 322720), (80, 270278), (134, 161360), (160, 135139), (268, 80680), (335, 64544), (536, 40340), (670, 32272), (1072, 20170), (1340, 16136), (2017, 10720), (2144, 10085), (2680, 8068), (4034, 5360)]