21298904892

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{88741}}^1$

素因数の和:88923

約数の個数: 72

約数和(自身を含む): 55236570480

約数和(自身を除く): 33937665588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 113, 118, 177, 226, 236, 339, 354, 452, 531, 678, 708, 1017, 1062, 1356, 2034, 2124, 4068, 6667, 13334, 20001, 26668, 40002, 60003, 80004, 88741, 120006, 177482, 240012, 266223, 354964, 532446, 798669, 1064892, 1597338, 3194676, 5235719, 10027733, 10471438, 15707157, 20055466, 20942876, 30083199, 31414314, 40110932, 47121471, 60166398, 62828628, 90249597, 94242942, 120332796, 180499194, 188485884, 360998388, 591636247, 1183272494, 1774908741, 2366544988, 3549817482, 5324726223, 7099634964, 10649452446, 21298904892]

約数ペア:

[(1, 21298904892), (2, 10649452446), (3, 7099634964), (4, 5324726223), (6, 3549817482), (9, 2366544988), (12, 1774908741), (18, 1183272494), (36, 591636247), (59, 360998388), (113, 188485884), (118, 180499194), (177, 120332796), (226, 94242942), (236, 90249597), (339, 62828628), (354, 60166398), (452, 47121471), (531, 40110932), (678, 31414314), (708, 30083199), (1017, 20942876), (1062, 20055466), (1356, 15707157), (2034, 10471438), (2124, 10027733), (4068, 5235719), (6667, 3194676), (13334, 1597338), (20001, 1064892), (26668, 798669), (40002, 532446), (60003, 354964), (80004, 266223), (88741, 240012), (120006, 177482)]