21092274

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 56833920

約数和(自身を除く): 35741646

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 43, 51, 63, 86, 102, 119, 126, 129, 153, 229, 238, 258, 301, 306, 357, 387, 458, 602, 687, 714, 731, 774, 903, 1071, 1374, 1462, 1603, 1806, 2061, 2142, 2193, 2709, 3206, 3893, 4122, 4386, 4809, 5117, 5418, 6579, 7786, 9618, 9847, 10234, 11679, 13158, 14427, 15351, 19694, 23358, 27251, 28854, 29541, 30702, 35037, 46053, 54502, 59082, 68929, 70074, 81753, 88623, 92106, 137858, 163506, 167399, 177246, 206787, 245259, 334798, 413574, 490518, 502197, 620361, 1004394, 1171793, 1240722, 1506591, 2343586, 3013182, 3515379, 7030758, 10546137, 21092274]

約数ペア:

[(1, 21092274), (2, 10546137), (3, 7030758), (6, 3515379), (7, 3013182), (9, 2343586), (14, 1506591), (17, 1240722), (18, 1171793), (21, 1004394), (34, 620361), (42, 502197), (43, 490518), (51, 413574), (63, 334798), (86, 245259), (102, 206787), (119, 177246), (126, 167399), (129, 163506), (153, 137858), (229, 92106), (238, 88623), (258, 81753), (301, 70074), (306, 68929), (357, 59082), (387, 54502), (458, 46053), (602, 35037), (687, 30702), (714, 29541), (731, 28854), (774, 27251), (903, 23358), (1071, 19694), (1374, 15351), (1462, 14427), (1603, 13158), (1806, 11679), (2061, 10234), (2142, 9847), (2193, 9618), (2709, 7786), (3206, 6579), (3893, 5418), (4122, 5117), (4386, 4809)]