21323280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 74245248

約数和(自身を除く): 52921968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 41, 44, 48, 55, 60, 66, 80, 82, 88, 110, 120, 123, 132, 164, 165, 176, 197, 205, 220, 240, 246, 264, 328, 330, 394, 410, 440, 451, 492, 528, 591, 615, 656, 660, 788, 820, 880, 902, 984, 985, 1182, 1230, 1320, 1353, 1576, 1640, 1804, 1968, 1970, 2167, 2255, 2364, 2460, 2640, 2706, 2955, 3152, 3280, 3608, 3940, 4334, 4510, 4728, 4920, 5412, 5910, 6501, 6765, 7216, 7880, 8077, 8668, 9020, 9456, 9840, 10824, 10835, 11820, 13002, 13530, 15760, 16154, 17336, 18040, 21648, 21670, 23640, 24231, 26004, 27060, 32308, 32505, 34672, 36080, 40385, 43340, 47280, 48462, 52008, 54120, 64616, 65010, 80770, 86680, 88847, 96924, 104016, 108240, 121155, 129232, 130020, 161540, 173360, 177694, 193848, 242310, 260040, 266541, 323080, 355388, 387696, 444235, 484620, 520080, 533082, 646160, 710776, 888470, 969240, 1066164, 1332705, 1421552, 1776940, 1938480, 2132328, 2665410, 3553880, 4264656, 5330820, 7107760, 10661640, 21323280]

約数ペア:

[(1, 21323280), (2, 10661640), (3, 7107760), (4, 5330820), (5, 4264656), (6, 3553880), (8, 2665410), (10, 2132328), (11, 1938480), (12, 1776940), (15, 1421552), (16, 1332705), (20, 1066164), (22, 969240), (24, 888470), (30, 710776), (33, 646160), (40, 533082), (41, 520080), (44, 484620), (48, 444235), (55, 387696), (60, 355388), (66, 323080), (80, 266541), (82, 260040), (88, 242310), (110, 193848), (120, 177694), (123, 173360), (132, 161540), (164, 130020), (165, 129232), (176, 121155), (197, 108240), (205, 104016), (220, 96924), (240, 88847), (246, 86680), (264, 80770), (328, 65010), (330, 64616), (394, 54120), (410, 52008), (440, 48462), (451, 47280), (492, 43340), (528, 40385), (591, 36080), (615, 34672), (656, 32505), (660, 32308), (788, 27060), (820, 26004), (880, 24231), (902, 23640), (984, 21670), (985, 21648), (1182, 18040), (1230, 17336), (1320, 16154), (1353, 15760), (1576, 13530), (1640, 13002), (1804, 11820), (1968, 10835), (1970, 10824), (2167, 9840), (2255, 9456), (2364, 9020), (2460, 8668), (2640, 8077), (2706, 7880), (2955, 7216), (3152, 6765), (3280, 6501), (3608, 5910), (3940, 5412), (4334, 4920), (4510, 4728)]