21165070

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1237}}^1$

素因数の和:1332

約数の個数: 32

約数和(自身を含む): 40111200

約数和(自身を除く): 18946130

約数列:

[1, 2, 5, 10, 29, 58, 59, 118, 145, 290, 295, 590, 1237, 1711, 2474, 3422, 6185, 8555, 12370, 17110, 35873, 71746, 72983, 145966, 179365, 358730, 364915, 729830, 2116507, 4233014, 10582535, 21165070]

約数ペア:

[(1, 21165070), (2, 10582535), (5, 4233014), (10, 2116507), (29, 729830), (58, 364915), (59, 358730), (118, 179365), (145, 145966), (290, 72983), (295, 71746), (590, 35873), (1237, 17110), (1711, 12370), (2474, 8555), (3422, 6185)]