21872634

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1237}}^1$

素因数の和:1670

約数の個数: 32

約数和(自身を含む): 50153856

約数和(自身を除く): 28281222

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 421, 842, 1237, 1263, 2474, 2526, 2947, 3711, 5894, 7422, 8659, 8841, 17318, 17682, 25977, 51954, 520777, 1041554, 1562331, 3124662, 3645439, 7290878, 10936317, 21872634]

約数ペア:

[(1, 21872634), (2, 10936317), (3, 7290878), (6, 3645439), (7, 3124662), (14, 1562331), (21, 1041554), (42, 520777), (421, 51954), (842, 25977), (1237, 17682), (1263, 17318), (2474, 8841), (2526, 8659), (2947, 7422), (3711, 5894)]