21354578

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 16384942

約数列:

[1, 2, 7, 14, 59, 103, 118, 206, 251, 413, 502, 721, 826, 1442, 1757, 3514, 6077, 12154, 14809, 25853, 29618, 42539, 51706, 85078, 103663, 180971, 207326, 361942, 1525327, 3050654, 10677289, 21354578]

約数ペア:

[(1, 21354578), (2, 10677289), (7, 3050654), (14, 1525327), (59, 361942), (103, 207326), (118, 180971), (206, 103663), (251, 85078), (413, 51706), (502, 42539), (721, 29618), (826, 25853), (1442, 14809), (1757, 12154), (3514, 6077)]