21730644

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:869

約数の個数: 72

約数和(自身を含む): 60234720

約数和(自身を除く): 38504076

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 59, 78, 117, 118, 156, 177, 234, 236, 354, 468, 531, 708, 767, 787, 1062, 1534, 1574, 2124, 2301, 2361, 3068, 3148, 4602, 4722, 6903, 7083, 9204, 9444, 10231, 13806, 14166, 20462, 27612, 28332, 30693, 40924, 46433, 61386, 92079, 92866, 122772, 139299, 184158, 185732, 278598, 368316, 417897, 557196, 603629, 835794, 1207258, 1671588, 1810887, 2414516, 3621774, 5432661, 7243548, 10865322, 21730644]

約数ペア:

[(1, 21730644), (2, 10865322), (3, 7243548), (4, 5432661), (6, 3621774), (9, 2414516), (12, 1810887), (13, 1671588), (18, 1207258), (26, 835794), (36, 603629), (39, 557196), (52, 417897), (59, 368316), (78, 278598), (117, 185732), (118, 184158), (156, 139299), (177, 122772), (234, 92866), (236, 92079), (354, 61386), (468, 46433), (531, 40924), (708, 30693), (767, 28332), (787, 27612), (1062, 20462), (1534, 14166), (1574, 13806), (2124, 10231), (2301, 9444), (2361, 9204), (3068, 7083), (3148, 6903), (4602, 4722)]