21430300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{223}}^1$

素因数の和:299

約数の個数: 54

約数和(自身を含む): 48267744

約数和(自身を除く): 26837444

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 223, 310, 446, 620, 775, 892, 961, 1115, 1550, 1922, 2230, 3100, 3844, 4460, 4805, 5575, 6913, 9610, 11150, 13826, 19220, 22300, 24025, 27652, 34565, 48050, 69130, 96100, 138260, 172825, 214303, 345650, 428606, 691300, 857212, 1071515, 2143030, 4286060, 5357575, 10715150, 21430300]

約数ペア:

[(1, 21430300), (2, 10715150), (4, 5357575), (5, 4286060), (10, 2143030), (20, 1071515), (25, 857212), (31, 691300), (50, 428606), (62, 345650), (100, 214303), (124, 172825), (155, 138260), (223, 96100), (310, 69130), (446, 48050), (620, 34565), (775, 27652), (892, 24025), (961, 22300), (1115, 19220), (1550, 13826), (1922, 11150), (2230, 9610), (3100, 6913), (3844, 5575), (4460, 4805)]