21848295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{829}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 40158720

約数和(自身を除く): 18310425

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 251, 753, 829, 1255, 1757, 2487, 3765, 4145, 5271, 5803, 8785, 12435, 17409, 26355, 29015, 87045, 208079, 624237, 1040395, 1456553, 3121185, 4369659, 7282765, 21848295]

約数ペア:

[(1, 21848295), (3, 7282765), (5, 4369659), (7, 3121185), (15, 1456553), (21, 1040395), (35, 624237), (105, 208079), (251, 87045), (753, 29015), (829, 26355), (1255, 17409), (1757, 12435), (2487, 8785), (3765, 5803), (4145, 5271)]