21409889568

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^2\times {\mathrm{162907}}^1$

素因数の和:162994

約数の個数: 72

約数和(自身を含む): 57761312112

約数和(自身を除く): 36351422544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 74, 96, 111, 148, 222, 296, 444, 592, 888, 1184, 1369, 1776, 2738, 3552, 4107, 5476, 8214, 10952, 16428, 21904, 32856, 43808, 65712, 131424, 162907, 325814, 488721, 651628, 977442, 1303256, 1954884, 2606512, 3909768, 5213024, 6027559, 7819536, 12055118, 15639072, 18082677, 24110236, 36165354, 48220472, 72330708, 96440944, 144661416, 192881888, 223019683, 289322832, 446039366, 578645664, 669059049, 892078732, 1338118098, 1784157464, 2676236196, 3568314928, 5352472392, 7136629856, 10704944784, 21409889568]

約数ペア:

[(1, 21409889568), (2, 10704944784), (3, 7136629856), (4, 5352472392), (6, 3568314928), (8, 2676236196), (12, 1784157464), (16, 1338118098), (24, 892078732), (32, 669059049), (37, 578645664), (48, 446039366), (74, 289322832), (96, 223019683), (111, 192881888), (148, 144661416), (222, 96440944), (296, 72330708), (444, 48220472), (592, 36165354), (888, 24110236), (1184, 18082677), (1369, 15639072), (1776, 12055118), (2738, 7819536), (3552, 6027559), (4107, 5213024), (5476, 3909768), (8214, 2606512), (10952, 1954884), (16428, 1303256), (21904, 977442), (32856, 651628), (43808, 488721), (65712, 325814), (131424, 162907)]