21787756872

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1212047}}^1$

素因数の和:1212170

約数の個数: 64

約数和(自身を含む): 62832568320

約数和(自身を除く): 41044811448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 107, 168, 214, 321, 428, 642, 749, 856, 1284, 1498, 2247, 2568, 2996, 4494, 5992, 8988, 17976, 1212047, 2424094, 3636141, 4848188, 7272282, 8484329, 9696376, 14544564, 16968658, 25452987, 29089128, 33937316, 50905974, 67874632, 101811948, 129689029, 203623896, 259378058, 389067087, 518756116, 778134174, 907823203, 1037512232, 1556268348, 1815646406, 2723469609, 3112536696, 3631292812, 5446939218, 7262585624, 10893878436, 21787756872]

約数ペア:

[(1, 21787756872), (2, 10893878436), (3, 7262585624), (4, 5446939218), (6, 3631292812), (7, 3112536696), (8, 2723469609), (12, 1815646406), (14, 1556268348), (21, 1037512232), (24, 907823203), (28, 778134174), (42, 518756116), (56, 389067087), (84, 259378058), (107, 203623896), (168, 129689029), (214, 101811948), (321, 67874632), (428, 50905974), (642, 33937316), (749, 29089128), (856, 25452987), (1284, 16968658), (1498, 14544564), (2247, 9696376), (2568, 8484329), (2996, 7272282), (4494, 4848188), (5992, 3636141), (8988, 2424094), (17976, 1212047)]