21979062

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 59664384

約数和(自身を除く): 37685322

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 31, 34, 42, 51, 62, 63, 93, 102, 119, 126, 153, 186, 217, 238, 279, 306, 331, 357, 434, 527, 558, 651, 662, 714, 993, 1054, 1071, 1302, 1581, 1953, 1986, 2142, 2317, 2979, 3162, 3689, 3906, 4634, 4743, 5627, 5958, 6951, 7378, 9486, 10261, 11067, 11254, 13902, 16881, 20522, 20853, 22134, 30783, 33201, 33762, 39389, 41706, 50643, 61566, 66402, 71827, 78778, 92349, 101286, 118167, 143654, 174437, 184698, 215481, 236334, 348874, 354501, 430962, 523311, 646443, 709002, 1046622, 1221059, 1292886, 1569933, 2442118, 3139866, 3663177, 7326354, 10989531, 21979062]

約数ペア:

[(1, 21979062), (2, 10989531), (3, 7326354), (6, 3663177), (7, 3139866), (9, 2442118), (14, 1569933), (17, 1292886), (18, 1221059), (21, 1046622), (31, 709002), (34, 646443), (42, 523311), (51, 430962), (62, 354501), (63, 348874), (93, 236334), (102, 215481), (119, 184698), (126, 174437), (153, 143654), (186, 118167), (217, 101286), (238, 92349), (279, 78778), (306, 71827), (331, 66402), (357, 61566), (434, 50643), (527, 41706), (558, 39389), (651, 33762), (662, 33201), (714, 30783), (993, 22134), (1054, 20853), (1071, 20522), (1302, 16881), (1581, 13902), (1953, 11254), (1986, 11067), (2142, 10261), (2317, 9486), (2979, 7378), (3162, 6951), (3689, 5958), (3906, 5627), (4634, 4743)]