21203922

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 43623360

約数和(自身を除く): 22419438

約数列:

[1, 2, 3, 6, 53, 106, 131, 159, 262, 318, 393, 509, 786, 1018, 1527, 3054, 6943, 13886, 20829, 26977, 41658, 53954, 66679, 80931, 133358, 161862, 200037, 400074, 3533987, 7067974, 10601961, 21203922]

約数ペア:

[(1, 21203922), (2, 10601961), (3, 7067974), (6, 3533987), (53, 400074), (106, 200037), (131, 161862), (159, 133358), (262, 80931), (318, 66679), (393, 53954), (509, 41658), (786, 26977), (1018, 20829), (1527, 13886), (3054, 6943)]