21860592

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 62058528

約数和(自身を除く): 40197936

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 53, 78, 104, 106, 156, 159, 208, 212, 312, 318, 424, 624, 636, 661, 689, 848, 1272, 1322, 1378, 1983, 2067, 2544, 2644, 2756, 3966, 4134, 5288, 5512, 7932, 8268, 8593, 10576, 11024, 15864, 16536, 17186, 25779, 31728, 33072, 34372, 35033, 51558, 68744, 70066, 103116, 105099, 137488, 140132, 206232, 210198, 280264, 412464, 420396, 455429, 560528, 840792, 910858, 1366287, 1681584, 1821716, 2732574, 3643432, 5465148, 7286864, 10930296, 21860592]

約数ペア:

[(1, 21860592), (2, 10930296), (3, 7286864), (4, 5465148), (6, 3643432), (8, 2732574), (12, 1821716), (13, 1681584), (16, 1366287), (24, 910858), (26, 840792), (39, 560528), (48, 455429), (52, 420396), (53, 412464), (78, 280264), (104, 210198), (106, 206232), (156, 140132), (159, 137488), (208, 105099), (212, 103116), (312, 70066), (318, 68744), (424, 51558), (624, 35033), (636, 34372), (661, 33072), (689, 31728), (848, 25779), (1272, 17186), (1322, 16536), (1378, 15864), (1983, 11024), (2067, 10576), (2544, 8593), (2644, 8268), (2756, 7932), (3966, 5512), (4134, 5288)]