21969830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1619}}^1$

素因数の和:1708

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 20020570

約数列:

[1, 2, 5, 10, 23, 46, 59, 115, 118, 230, 295, 590, 1357, 1619, 2714, 3238, 6785, 8095, 13570, 16190, 37237, 74474, 95521, 186185, 191042, 372370, 477605, 955210, 2196983, 4393966, 10984915, 21969830]

約数ペア:

[(1, 21969830), (2, 10984915), (5, 4393966), (10, 2196983), (23, 955210), (46, 477605), (59, 372370), (115, 191042), (118, 186185), (230, 95521), (295, 74474), (590, 37237), (1357, 16190), (1619, 13570), (2714, 8095), (3238, 6785)]