21309816

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1523}}^1$

素因数の和:1596

約数の個数: 64

約数和(自身を含む): 59253120

約数和(自身を除く): 37943304

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 53, 66, 88, 106, 132, 159, 212, 264, 318, 424, 583, 636, 1166, 1272, 1523, 1749, 2332, 3046, 3498, 4569, 4664, 6092, 6996, 9138, 12184, 13992, 16753, 18276, 33506, 36552, 50259, 67012, 80719, 100518, 134024, 161438, 201036, 242157, 322876, 402072, 484314, 645752, 887909, 968628, 1775818, 1937256, 2663727, 3551636, 5327454, 7103272, 10654908, 21309816]

約数ペア:

[(1, 21309816), (2, 10654908), (3, 7103272), (4, 5327454), (6, 3551636), (8, 2663727), (11, 1937256), (12, 1775818), (22, 968628), (24, 887909), (33, 645752), (44, 484314), (53, 402072), (66, 322876), (88, 242157), (106, 201036), (132, 161438), (159, 134024), (212, 100518), (264, 80719), (318, 67012), (424, 50259), (583, 36552), (636, 33506), (1166, 18276), (1272, 16753), (1523, 13992), (1749, 12184), (2332, 9138), (3046, 6996), (3498, 6092), (4569, 4664)]