21000366308

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{7193}}^1$

素因数の和:7484

約数の個数: 48

約数和(自身を含む): 38070648000

約数和(自身を除く): 17070281692

約数列:

[1, 2, 4, 59, 89, 118, 139, 178, 236, 278, 356, 556, 5251, 7193, 8201, 10502, 12371, 14386, 16402, 21004, 24742, 28772, 32804, 49484, 424387, 640177, 729889, 848774, 999827, 1280354, 1459778, 1697548, 1999654, 2560708, 2919556, 3999308, 37770443, 58989793, 75540886, 88984603, 117979586, 151081772, 177969206, 235959172, 355938412, 5250091577, 10500183154, 21000366308]

約数ペア:

[(1, 21000366308), (2, 10500183154), (4, 5250091577), (59, 355938412), (89, 235959172), (118, 177969206), (139, 151081772), (178, 117979586), (236, 88984603), (278, 75540886), (356, 58989793), (556, 37770443), (5251, 3999308), (7193, 2919556), (8201, 2560708), (10502, 1999654), (12371, 1697548), (14386, 1459778), (16402, 1280354), (21004, 999827), (24742, 848774), (28772, 729889), (32804, 640177), (49484, 424387)]