212721306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1301}}^1$

素因数の和:1559

約数の個数: 64

約数和(自身を含む): 517466880

約数和(自身を除く): 304745574

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 229, 238, 357, 458, 687, 714, 1301, 1374, 1603, 2602, 3206, 3893, 3903, 4809, 7786, 7806, 9107, 9618, 11679, 18214, 22117, 23358, 27251, 27321, 44234, 54502, 54642, 66351, 81753, 132702, 154819, 163506, 297929, 309638, 464457, 595858, 893787, 928914, 1787574, 2085503, 4171006, 5064793, 6256509, 10129586, 12513018, 15194379, 30388758, 35453551, 70907102, 106360653, 212721306]

約数ペア:

[(1, 212721306), (2, 106360653), (3, 70907102), (6, 35453551), (7, 30388758), (14, 15194379), (17, 12513018), (21, 10129586), (34, 6256509), (42, 5064793), (51, 4171006), (102, 2085503), (119, 1787574), (229, 928914), (238, 893787), (357, 595858), (458, 464457), (687, 309638), (714, 297929), (1301, 163506), (1374, 154819), (1603, 132702), (2602, 81753), (3206, 66351), (3893, 54642), (3903, 54502), (4809, 44234), (7786, 27321), (7806, 27251), (9107, 23358), (9618, 22117), (11679, 18214)]