21565848

素因数分解:

$2^3\times 3^1\times {\mathrm{359}}^1\times {\mathrm{2503}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 54086400

約数和(自身を除く): 32520552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 359, 718, 1077, 1436, 2154, 2503, 2872, 4308, 5006, 7509, 8616, 10012, 15018, 20024, 30036, 60072, 898577, 1797154, 2695731, 3594308, 5391462, 7188616, 10782924, 21565848]

約数ペア:

[(1, 21565848), (2, 10782924), (3, 7188616), (4, 5391462), (6, 3594308), (8, 2695731), (12, 1797154), (24, 898577), (359, 60072), (718, 30036), (1077, 20024), (1436, 15018), (2154, 10012), (2503, 8616), (2872, 7509), (4308, 5006)]