21938535

素因数分解:

$3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{977}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 38142000

約数和(自身を除く): 16203465

約数列:

[1, 3, 5, 9, 15, 45, 499, 977, 1497, 2495, 2931, 4491, 4885, 7485, 8793, 14655, 22455, 43965, 487523, 1462569, 2437615, 4387707, 7312845, 21938535]

約数ペア:

[(1, 21938535), (3, 7312845), (5, 4387707), (9, 2437615), (15, 1462569), (45, 487523), (499, 43965), (977, 22455), (1497, 14655), (2495, 8793), (2931, 7485), (4491, 4885)]