21523360

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 55438992

約数和(自身を除く): 33915632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 68, 80, 82, 85, 136, 160, 164, 170, 193, 205, 272, 328, 340, 386, 410, 544, 656, 680, 697, 772, 820, 965, 1312, 1360, 1394, 1544, 1640, 1930, 2720, 2788, 3088, 3280, 3281, 3485, 3860, 5576, 6176, 6560, 6562, 6970, 7720, 7913, 11152, 13124, 13940, 15440, 15826, 16405, 22304, 26248, 27880, 30880, 31652, 32810, 39565, 52496, 55760, 63304, 65620, 79130, 104992, 111520, 126608, 131240, 134521, 158260, 253216, 262480, 269042, 316520, 524960, 538084, 633040, 672605, 1076168, 1266080, 1345210, 2152336, 2690420, 4304672, 5380840, 10761680, 21523360]

約数ペア:

[(1, 21523360), (2, 10761680), (4, 5380840), (5, 4304672), (8, 2690420), (10, 2152336), (16, 1345210), (17, 1266080), (20, 1076168), (32, 672605), (34, 633040), (40, 538084), (41, 524960), (68, 316520), (80, 269042), (82, 262480), (85, 253216), (136, 158260), (160, 134521), (164, 131240), (170, 126608), (193, 111520), (205, 104992), (272, 79130), (328, 65620), (340, 63304), (386, 55760), (410, 52496), (544, 39565), (656, 32810), (680, 31652), (697, 30880), (772, 27880), (820, 26248), (965, 22304), (1312, 16405), (1360, 15826), (1394, 15440), (1544, 13940), (1640, 13124), (1930, 11152), (2720, 7913), (2788, 7720), (3088, 6970), (3280, 6562), (3281, 6560), (3485, 6176), (3860, 5576)]