21372516

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1741}}^1$

素因数の和:1793

約数の個数: 72

約数和(自身を含む): 60872448

約数和(自身を除く): 39499932

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 44, 62, 66, 93, 99, 124, 132, 186, 198, 279, 341, 372, 396, 558, 682, 1023, 1116, 1364, 1741, 2046, 3069, 3482, 4092, 5223, 6138, 6964, 10446, 12276, 15669, 19151, 20892, 31338, 38302, 53971, 57453, 62676, 76604, 107942, 114906, 161913, 172359, 215884, 229812, 323826, 344718, 485739, 593681, 647652, 689436, 971478, 1187362, 1781043, 1942956, 2374724, 3562086, 5343129, 7124172, 10686258, 21372516]

約数ペア:

[(1, 21372516), (2, 10686258), (3, 7124172), (4, 5343129), (6, 3562086), (9, 2374724), (11, 1942956), (12, 1781043), (18, 1187362), (22, 971478), (31, 689436), (33, 647652), (36, 593681), (44, 485739), (62, 344718), (66, 323826), (93, 229812), (99, 215884), (124, 172359), (132, 161913), (186, 114906), (198, 107942), (279, 76604), (341, 62676), (372, 57453), (396, 53971), (558, 38302), (682, 31338), (1023, 20892), (1116, 19151), (1364, 15669), (1741, 12276), (2046, 10446), (3069, 6964), (3482, 6138), (4092, 5223)]