21775130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 23947750

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 59, 65, 85, 118, 130, 167, 170, 221, 295, 334, 442, 590, 767, 835, 1003, 1105, 1534, 1670, 2006, 2171, 2210, 2839, 3835, 4342, 5015, 5678, 7670, 9853, 10030, 10855, 13039, 14195, 19706, 21710, 26078, 28390, 36907, 49265, 65195, 73814, 98530, 128089, 130390, 167501, 184535, 256178, 335002, 369070, 640445, 837505, 1280890, 1675010, 2177513, 4355026, 10887565, 21775130]

約数ペア:

[(1, 21775130), (2, 10887565), (5, 4355026), (10, 2177513), (13, 1675010), (17, 1280890), (26, 837505), (34, 640445), (59, 369070), (65, 335002), (85, 256178), (118, 184535), (130, 167501), (167, 130390), (170, 128089), (221, 98530), (295, 73814), (334, 65195), (442, 49265), (590, 36907), (767, 28390), (835, 26078), (1003, 21710), (1105, 19706), (1534, 14195), (1670, 13039), (2006, 10855), (2171, 10030), (2210, 9853), (2839, 7670), (3835, 5678), (4342, 5015)]