21455064

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1485

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 39024936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1399, 1704, 1917, 2556, 2798, 3834, 4197, 5112, 5596, 7668, 8394, 11192, 12591, 15336, 16788, 25182, 33576, 37773, 50364, 75546, 99329, 100728, 151092, 198658, 297987, 302184, 397316, 595974, 794632, 893961, 1191948, 1787922, 2383896, 2681883, 3575844, 5363766, 7151688, 10727532, 21455064]

約数ペア:

[(1, 21455064), (2, 10727532), (3, 7151688), (4, 5363766), (6, 3575844), (8, 2681883), (9, 2383896), (12, 1787922), (18, 1191948), (24, 893961), (27, 794632), (36, 595974), (54, 397316), (71, 302184), (72, 297987), (108, 198658), (142, 151092), (213, 100728), (216, 99329), (284, 75546), (426, 50364), (568, 37773), (639, 33576), (852, 25182), (1278, 16788), (1399, 15336), (1704, 12591), (1917, 11192), (2556, 8394), (2798, 7668), (3834, 5596), (4197, 5112)]