21222123

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 32417280

約数和(自身を除く): 11195157

約数列:

[1, 3, 13, 23, 39, 59, 69, 177, 299, 401, 767, 897, 1203, 1357, 2301, 4071, 5213, 9223, 15639, 17641, 23659, 27669, 52923, 70977, 119899, 307567, 359697, 544157, 922701, 1632471, 7074041, 21222123]

約数ペア:

[(1, 21222123), (3, 7074041), (13, 1632471), (23, 922701), (39, 544157), (59, 359697), (69, 307567), (177, 119899), (299, 70977), (401, 52923), (767, 27669), (897, 23659), (1203, 17641), (1357, 15639), (2301, 9223), (4071, 5213)]