21235995145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{135559}}^1$

素因数の和:135697

約数の個数: 32

約数和(自身を含む): 28695340800

約数和(自身を除く): 7459345655

約数列:

[1, 5, 17, 19, 85, 95, 97, 323, 485, 1615, 1649, 1843, 8245, 9215, 31331, 135559, 156655, 677795, 2304503, 2575621, 11522515, 12878105, 13149223, 43785557, 65746115, 218927785, 223536791, 249835237, 1117683955, 1249176185, 4247199029, 21235995145]

約数ペア:

[(1, 21235995145), (5, 4247199029), (17, 1249176185), (19, 1117683955), (85, 249835237), (95, 223536791), (97, 218927785), (323, 65746115), (485, 43785557), (1615, 13149223), (1649, 12878105), (1843, 11522515), (8245, 2575621), (9215, 2304503), (31331, 677795), (135559, 156655)]