201421916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{2971}}^1$

素因数の和:3989

約数の個数: 24

約数和(自身を含む): 373723056

約数和(自身を除く): 172301140

約数列:

[1, 2, 4, 17, 34, 68, 997, 1994, 2971, 3988, 5942, 11884, 16949, 33898, 50507, 67796, 101014, 202028, 2962087, 5924174, 11848348, 50355479, 100710958, 201421916]

約数ペア:

[(1, 201421916), (2, 100710958), (4, 50355479), (17, 11848348), (34, 5924174), (68, 2962087), (997, 202028), (1994, 101014), (2971, 67796), (3988, 50507), (5942, 33898), (11884, 16949)]