21688158

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^3\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 64

約数和(自身を含む): 50042880

約数和(自身を除く): 28354722

約数列:

[1, 2, 3, 6, 17, 19, 31, 34, 38, 51, 57, 62, 93, 102, 114, 186, 323, 361, 527, 589, 646, 722, 969, 1054, 1083, 1178, 1581, 1767, 1938, 2166, 3162, 3534, 6137, 6859, 10013, 11191, 12274, 13718, 18411, 20026, 20577, 22382, 30039, 33573, 36822, 41154, 60078, 67146, 116603, 190247, 212629, 233206, 349809, 380494, 425258, 570741, 637887, 699618, 1141482, 1275774, 3614693, 7229386, 10844079, 21688158]

約数ペア:

[(1, 21688158), (2, 10844079), (3, 7229386), (6, 3614693), (17, 1275774), (19, 1141482), (31, 699618), (34, 637887), (38, 570741), (51, 425258), (57, 380494), (62, 349809), (93, 233206), (102, 212629), (114, 190247), (186, 116603), (323, 67146), (361, 60078), (527, 41154), (589, 36822), (646, 33573), (722, 30039), (969, 22382), (1054, 20577), (1083, 20026), (1178, 18411), (1581, 13718), (1767, 12274), (1938, 11191), (2166, 10013), (3162, 6859), (3534, 6137)]