21650229

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 10360971

約数列:

[1, 3, 9, 89, 151, 179, 267, 453, 537, 801, 1359, 1611, 13439, 15931, 27029, 40317, 47793, 81087, 120951, 143379, 243261, 2405581, 7216743, 21650229]

約数ペア:

[(1, 21650229), (3, 7216743), (9, 2405581), (89, 243261), (151, 143379), (179, 120951), (267, 81087), (453, 47793), (537, 40317), (801, 27029), (1359, 15931), (1611, 13439)]