21365044

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1427}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 39584160

約数和(自身を除く): 18219116

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 1427, 2854, 3743, 5708, 7486, 14972, 27113, 54226, 108452, 281119, 562238, 1124476, 5341261, 10682522, 21365044]

約数ペア:

[(1, 21365044), (2, 10682522), (4, 5341261), (19, 1124476), (38, 562238), (76, 281119), (197, 108452), (394, 54226), (788, 27113), (1427, 14972), (2854, 7486), (3743, 5708)]