21205412784

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{47093}}^1$

素因数の和:47219

約数の個数: 120

約数和(自身を含む): 61491577680

約数和(自身を除く): 40286164896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 59, 72, 106, 118, 144, 159, 177, 212, 236, 318, 354, 424, 472, 477, 531, 636, 708, 848, 944, 954, 1062, 1272, 1416, 1908, 2124, 2544, 2832, 3127, 3816, 4248, 6254, 7632, 8496, 9381, 12508, 18762, 25016, 28143, 37524, 47093, 50032, 56286, 75048, 94186, 112572, 141279, 150096, 188372, 225144, 282558, 376744, 423837, 450288, 565116, 753488, 847674, 1130232, 1695348, 2260464, 2495929, 2778487, 3390696, 4991858, 5556974, 6781392, 7487787, 8335461, 9983716, 11113948, 14975574, 16670922, 19967432, 22227896, 22463361, 25006383, 29951148, 33341844, 39934864, 44455792, 44926722, 50012766, 59902296, 66683688, 89853444, 100025532, 119804592, 133367376, 147259811, 179706888, 200051064, 294519622, 359413776, 400102128, 441779433, 589039244, 883558866, 1178078488, 1325338299, 1767117732, 2356156976, 2650676598, 3534235464, 5301353196, 7068470928, 10602706392, 21205412784]

約数ペア:

[(1, 21205412784), (2, 10602706392), (3, 7068470928), (4, 5301353196), (6, 3534235464), (8, 2650676598), (9, 2356156976), (12, 1767117732), (16, 1325338299), (18, 1178078488), (24, 883558866), (36, 589039244), (48, 441779433), (53, 400102128), (59, 359413776), (72, 294519622), (106, 200051064), (118, 179706888), (144, 147259811), (159, 133367376), (177, 119804592), (212, 100025532), (236, 89853444), (318, 66683688), (354, 59902296), (424, 50012766), (472, 44926722), (477, 44455792), (531, 39934864), (636, 33341844), (708, 29951148), (848, 25006383), (944, 22463361), (954, 22227896), (1062, 19967432), (1272, 16670922), (1416, 14975574), (1908, 11113948), (2124, 9983716), (2544, 8335461), (2832, 7487787), (3127, 6781392), (3816, 5556974), (4248, 4991858), (6254, 3390696), (7632, 2778487), (8496, 2495929), (9381, 2260464), (12508, 1695348), (18762, 1130232), (25016, 847674), (28143, 753488), (37524, 565116), (47093, 450288), (50032, 423837), (56286, 376744), (75048, 282558), (94186, 225144), (112572, 188372), (141279, 150096)]