21679478

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:740

約数の個数: 24

約数和(自身を含む): 35144256

約数和(自身を除く): 13464778

約数列:

[1, 2, 23, 31, 46, 62, 529, 661, 713, 1058, 1322, 1426, 15203, 16399, 20491, 30406, 32798, 40982, 349669, 471293, 699338, 942586, 10839739, 21679478]

約数ペア:

[(1, 21679478), (2, 10839739), (23, 942586), (31, 699338), (46, 471293), (62, 349669), (529, 40982), (661, 32798), (713, 30406), (1058, 20491), (1322, 16399), (1426, 15203)]