21661848

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23143}}^1$

素因数の和:23168

約数の個数: 48

約数和(自身を含む): 63183120

約数和(自身を除く): 41521272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 23143, 46286, 69429, 92572, 138858, 185144, 208287, 277716, 300859, 416574, 555432, 601718, 833148, 902577, 1203436, 1666296, 1805154, 2406872, 2707731, 3610308, 5415462, 7220616, 10830924, 21661848]

約数ペア:

[(1, 21661848), (2, 10830924), (3, 7220616), (4, 5415462), (6, 3610308), (8, 2707731), (9, 2406872), (12, 1805154), (13, 1666296), (18, 1203436), (24, 902577), (26, 833148), (36, 601718), (39, 555432), (52, 416574), (72, 300859), (78, 277716), (104, 208287), (117, 185144), (156, 138858), (234, 92572), (312, 69429), (468, 46286), (936, 23143)]