21792320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 112

約数和(自身を含む): 58375296

約数和(自身を除く): 36582976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 80, 82, 88, 110, 151, 160, 164, 176, 205, 220, 302, 320, 328, 352, 410, 440, 451, 604, 656, 704, 755, 820, 880, 902, 1208, 1312, 1510, 1640, 1661, 1760, 1804, 2255, 2416, 2624, 3020, 3280, 3322, 3520, 3608, 4510, 4832, 6040, 6191, 6560, 6644, 7216, 8305, 9020, 9664, 12080, 12382, 13120, 13288, 14432, 16610, 18040, 24160, 24764, 26576, 28864, 30955, 33220, 36080, 48320, 49528, 53152, 61910, 66440, 68101, 72160, 99056, 106304, 123820, 132880, 136202, 144320, 198112, 247640, 265760, 272404, 340505, 396224, 495280, 531520, 544808, 681010, 990560, 1089616, 1362020, 1981120, 2179232, 2724040, 4358464, 5448080, 10896160, 21792320]

約数ペア:

[(1, 21792320), (2, 10896160), (4, 5448080), (5, 4358464), (8, 2724040), (10, 2179232), (11, 1981120), (16, 1362020), (20, 1089616), (22, 990560), (32, 681010), (40, 544808), (41, 531520), (44, 495280), (55, 396224), (64, 340505), (80, 272404), (82, 265760), (88, 247640), (110, 198112), (151, 144320), (160, 136202), (164, 132880), (176, 123820), (205, 106304), (220, 99056), (302, 72160), (320, 68101), (328, 66440), (352, 61910), (410, 53152), (440, 49528), (451, 48320), (604, 36080), (656, 33220), (704, 30955), (755, 28864), (820, 26576), (880, 24764), (902, 24160), (1208, 18040), (1312, 16610), (1510, 14432), (1640, 13288), (1661, 13120), (1760, 12382), (1804, 12080), (2255, 9664), (2416, 9020), (2624, 8305), (3020, 7216), (3280, 6644), (3322, 6560), (3520, 6191), (3608, 6040), (4510, 4832)]