21645254

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 35887104

約数和(自身を除く): 14241850

約数列:

[1, 2, 23, 31, 43, 46, 62, 86, 353, 706, 713, 989, 1333, 1426, 1978, 2666, 8119, 10943, 15179, 16238, 21886, 30358, 30659, 61318, 251689, 349117, 470549, 503378, 698234, 941098, 10822627, 21645254]

約数ペア:

[(1, 21645254), (2, 10822627), (23, 941098), (31, 698234), (43, 503378), (46, 470549), (62, 349117), (86, 251689), (353, 61318), (706, 30659), (713, 30358), (989, 21886), (1333, 16238), (1426, 15179), (1978, 10943), (2666, 8119)]