21058044

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 58222080

約数和(自身を除く): 37164036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 59, 84, 98, 118, 147, 177, 196, 236, 294, 354, 413, 588, 607, 708, 826, 1214, 1239, 1652, 1821, 2428, 2478, 2891, 3642, 4249, 4956, 5782, 7284, 8498, 8673, 11564, 12747, 16996, 17346, 25494, 29743, 34692, 35813, 50988, 59486, 71626, 89229, 107439, 118972, 143252, 178458, 214878, 250691, 356916, 429756, 501382, 752073, 1002764, 1504146, 1754837, 3008292, 3509674, 5264511, 7019348, 10529022, 21058044]

約数ペア:

[(1, 21058044), (2, 10529022), (3, 7019348), (4, 5264511), (6, 3509674), (7, 3008292), (12, 1754837), (14, 1504146), (21, 1002764), (28, 752073), (42, 501382), (49, 429756), (59, 356916), (84, 250691), (98, 214878), (118, 178458), (147, 143252), (177, 118972), (196, 107439), (236, 89229), (294, 71626), (354, 59486), (413, 50988), (588, 35813), (607, 34692), (708, 29743), (826, 25494), (1214, 17346), (1239, 16996), (1652, 12747), (1821, 11564), (2428, 8673), (2478, 8498), (2891, 7284), (3642, 5782), (4249, 4956)]