21253554

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{24097}}^1$

素因数の和:24119

約数の個数: 36

約数和(自身を含む): 53569854

約数和(自身を除く): 32316300

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 24097, 48194, 72291, 144582, 168679, 216873, 337358, 433746, 506037, 1012074, 1180753, 1518111, 2361506, 3036222, 3542259, 7084518, 10626777, 21253554]

約数ペア:

[(1, 21253554), (2, 10626777), (3, 7084518), (6, 3542259), (7, 3036222), (9, 2361506), (14, 1518111), (18, 1180753), (21, 1012074), (42, 506037), (49, 433746), (63, 337358), (98, 216873), (126, 168679), (147, 144582), (294, 72291), (441, 48194), (882, 24097)]