21549216

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:614

約数の個数: 96

約数和(自身を含む): 62995968

約数和(自身を除く): 41446752

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 78, 93, 96, 104, 124, 156, 186, 208, 248, 312, 372, 403, 416, 496, 557, 624, 744, 806, 992, 1114, 1209, 1248, 1488, 1612, 1671, 2228, 2418, 2976, 3224, 3342, 4456, 4836, 6448, 6684, 7241, 8912, 9672, 12896, 13368, 14482, 17267, 17824, 19344, 21723, 26736, 28964, 34534, 38688, 43446, 51801, 53472, 57928, 69068, 86892, 103602, 115856, 138136, 173784, 207204, 224471, 231712, 276272, 347568, 414408, 448942, 552544, 673413, 695136, 828816, 897884, 1346826, 1657632, 1795768, 2693652, 3591536, 5387304, 7183072, 10774608, 21549216]

約数ペア:

[(1, 21549216), (2, 10774608), (3, 7183072), (4, 5387304), (6, 3591536), (8, 2693652), (12, 1795768), (13, 1657632), (16, 1346826), (24, 897884), (26, 828816), (31, 695136), (32, 673413), (39, 552544), (48, 448942), (52, 414408), (62, 347568), (78, 276272), (93, 231712), (96, 224471), (104, 207204), (124, 173784), (156, 138136), (186, 115856), (208, 103602), (248, 86892), (312, 69068), (372, 57928), (403, 53472), (416, 51801), (496, 43446), (557, 38688), (624, 34534), (744, 28964), (806, 26736), (992, 21723), (1114, 19344), (1209, 17824), (1248, 17267), (1488, 14482), (1612, 13368), (1671, 12896), (2228, 9672), (2418, 8912), (2976, 7241), (3224, 6684), (3342, 6448), (4456, 4836)]