21167916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:795

約数の個数: 96

約数和(自身を含む): 63651840

約数和(自身を除く): 42483924

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 31, 33, 42, 44, 62, 66, 77, 84, 93, 124, 132, 154, 186, 217, 231, 308, 341, 372, 434, 462, 651, 682, 739, 868, 924, 1023, 1302, 1364, 1478, 2046, 2217, 2387, 2604, 2956, 4092, 4434, 4774, 5173, 7161, 8129, 8868, 9548, 10346, 14322, 15519, 16258, 20692, 22909, 24387, 28644, 31038, 32516, 45818, 48774, 56903, 62076, 68727, 91636, 97548, 113806, 137454, 160363, 170709, 227612, 251999, 274908, 320726, 341418, 481089, 503998, 641452, 682836, 755997, 962178, 1007996, 1511994, 1763993, 1924356, 3023988, 3527986, 5291979, 7055972, 10583958, 21167916]

約数ペア:

[(1, 21167916), (2, 10583958), (3, 7055972), (4, 5291979), (6, 3527986), (7, 3023988), (11, 1924356), (12, 1763993), (14, 1511994), (21, 1007996), (22, 962178), (28, 755997), (31, 682836), (33, 641452), (42, 503998), (44, 481089), (62, 341418), (66, 320726), (77, 274908), (84, 251999), (93, 227612), (124, 170709), (132, 160363), (154, 137454), (186, 113806), (217, 97548), (231, 91636), (308, 68727), (341, 62076), (372, 56903), (434, 48774), (462, 45818), (651, 32516), (682, 31038), (739, 28644), (868, 24387), (924, 22909), (1023, 20692), (1302, 16258), (1364, 15519), (1478, 14322), (2046, 10346), (2217, 9548), (2387, 8868), (2604, 8129), (2956, 7161), (4092, 5173), (4434, 4774)]