21463905

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 14017695

約数列:

[1, 3, 5, 15, 59, 79, 177, 237, 295, 307, 395, 885, 921, 1185, 1535, 4605, 4661, 13983, 18113, 23305, 24253, 54339, 69915, 72759, 90565, 121265, 271695, 363795, 1430927, 4292781, 7154635, 21463905]

約数ペア:

[(1, 21463905), (3, 7154635), (5, 4292781), (15, 1430927), (59, 363795), (79, 271695), (177, 121265), (237, 90565), (295, 72759), (307, 69915), (395, 54339), (885, 24253), (921, 23305), (1185, 18113), (1535, 13983), (4605, 4661)]