21437572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4967}}^1$

素因数の和:5067

約数の個数: 24

約数和(自身を含む): 40896576

約数和(自身を除く): 19459004

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4967, 9934, 19868, 64571, 129142, 258284, 412261, 824522, 1649044, 5359393, 10718786, 21437572]

約数ペア:

[(1, 21437572), (2, 10718786), (4, 5359393), (13, 1649044), (26, 824522), (52, 412261), (83, 258284), (166, 129142), (332, 64571), (1079, 19868), (2158, 9934), (4316, 4967)]