21282360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:749

約数の個数: 128

約数和(自身を含む): 72783360

約数和(自身を除く): 51501000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 132, 138, 165, 184, 220, 230, 253, 264, 276, 330, 345, 440, 460, 506, 552, 660, 690, 701, 759, 920, 1012, 1265, 1320, 1380, 1402, 1518, 2024, 2103, 2530, 2760, 2804, 3036, 3505, 3795, 4206, 5060, 5608, 6072, 7010, 7590, 7711, 8412, 10120, 10515, 14020, 15180, 15422, 16123, 16824, 21030, 23133, 28040, 30360, 30844, 32246, 38555, 42060, 46266, 48369, 61688, 64492, 77110, 80615, 84120, 92532, 96738, 115665, 128984, 154220, 161230, 177353, 185064, 193476, 231330, 241845, 308440, 322460, 354706, 386952, 462660, 483690, 532059, 644920, 709412, 886765, 925320, 967380, 1064118, 1418824, 1773530, 1934760, 2128236, 2660295, 3547060, 4256472, 5320590, 7094120, 10641180, 21282360]

約数ペア:

[(1, 21282360), (2, 10641180), (3, 7094120), (4, 5320590), (5, 4256472), (6, 3547060), (8, 2660295), (10, 2128236), (11, 1934760), (12, 1773530), (15, 1418824), (20, 1064118), (22, 967380), (23, 925320), (24, 886765), (30, 709412), (33, 644920), (40, 532059), (44, 483690), (46, 462660), (55, 386952), (60, 354706), (66, 322460), (69, 308440), (88, 241845), (92, 231330), (110, 193476), (115, 185064), (120, 177353), (132, 161230), (138, 154220), (165, 128984), (184, 115665), (220, 96738), (230, 92532), (253, 84120), (264, 80615), (276, 77110), (330, 64492), (345, 61688), (440, 48369), (460, 46266), (506, 42060), (552, 38555), (660, 32246), (690, 30844), (701, 30360), (759, 28040), (920, 23133), (1012, 21030), (1265, 16824), (1320, 16123), (1380, 15422), (1402, 15180), (1518, 14020), (2024, 10515), (2103, 10120), (2530, 8412), (2760, 7711), (2804, 7590), (3036, 7010), (3505, 6072), (3795, 5608), (4206, 5060)]