21558360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 69050880

約数和(自身を除く): 47492520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 73, 92, 107, 115, 120, 138, 146, 184, 214, 219, 230, 276, 292, 321, 345, 365, 428, 438, 460, 535, 552, 584, 642, 690, 730, 856, 876, 920, 1070, 1095, 1284, 1380, 1460, 1605, 1679, 1752, 2140, 2190, 2461, 2568, 2760, 2920, 3210, 3358, 4280, 4380, 4922, 5037, 6420, 6716, 7383, 7811, 8395, 8760, 9844, 10074, 12305, 12840, 13432, 14766, 15622, 16790, 19688, 20148, 23433, 24610, 25185, 29532, 31244, 33580, 36915, 39055, 40296, 46866, 49220, 50370, 59064, 62488, 67160, 73830, 78110, 93732, 98440, 100740, 117165, 147660, 156220, 179653, 187464, 201480, 234330, 295320, 312440, 359306, 468660, 538959, 718612, 898265, 937320, 1077918, 1437224, 1796530, 2155836, 2694795, 3593060, 4311672, 5389590, 7186120, 10779180, 21558360]

約数ペア:

[(1, 21558360), (2, 10779180), (3, 7186120), (4, 5389590), (5, 4311672), (6, 3593060), (8, 2694795), (10, 2155836), (12, 1796530), (15, 1437224), (20, 1077918), (23, 937320), (24, 898265), (30, 718612), (40, 538959), (46, 468660), (60, 359306), (69, 312440), (73, 295320), (92, 234330), (107, 201480), (115, 187464), (120, 179653), (138, 156220), (146, 147660), (184, 117165), (214, 100740), (219, 98440), (230, 93732), (276, 78110), (292, 73830), (321, 67160), (345, 62488), (365, 59064), (428, 50370), (438, 49220), (460, 46866), (535, 40296), (552, 39055), (584, 36915), (642, 33580), (690, 31244), (730, 29532), (856, 25185), (876, 24610), (920, 23433), (1070, 20148), (1095, 19688), (1284, 16790), (1380, 15622), (1460, 14766), (1605, 13432), (1679, 12840), (1752, 12305), (2140, 10074), (2190, 9844), (2461, 8760), (2568, 8395), (2760, 7811), (2920, 7383), (3210, 6716), (3358, 6420), (4280, 5037), (4380, 4922)]