21153594

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 55683072

約数和(自身を除く): 34529478

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 49, 62, 66, 77, 93, 98, 147, 154, 186, 211, 217, 231, 294, 341, 422, 434, 462, 539, 633, 651, 682, 1023, 1078, 1266, 1302, 1477, 1519, 1617, 2046, 2321, 2387, 2954, 3038, 3234, 4431, 4557, 4642, 4774, 6541, 6963, 7161, 8862, 9114, 10339, 13082, 13926, 14322, 16247, 16709, 19623, 20678, 31017, 32494, 33418, 39246, 45787, 48741, 50127, 62034, 71951, 91574, 97482, 100254, 113729, 137361, 143902, 215853, 227458, 274722, 320509, 341187, 431706, 503657, 641018, 682374, 961527, 1007314, 1510971, 1923054, 3021942, 3525599, 7051198, 10576797, 21153594]

約数ペア:

[(1, 21153594), (2, 10576797), (3, 7051198), (6, 3525599), (7, 3021942), (11, 1923054), (14, 1510971), (21, 1007314), (22, 961527), (31, 682374), (33, 641018), (42, 503657), (49, 431706), (62, 341187), (66, 320509), (77, 274722), (93, 227458), (98, 215853), (147, 143902), (154, 137361), (186, 113729), (211, 100254), (217, 97482), (231, 91574), (294, 71951), (341, 62034), (422, 50127), (434, 48741), (462, 45787), (539, 39246), (633, 33418), (651, 32494), (682, 31017), (1023, 20678), (1078, 19623), (1266, 16709), (1302, 16247), (1477, 14322), (1519, 13926), (1617, 13082), (2046, 10339), (2321, 9114), (2387, 8862), (2954, 7161), (3038, 6963), (3234, 6541), (4431, 4774), (4557, 4642)]