21171408

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 57901056

約数和(自身を除く): 36729648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 127, 138, 151, 184, 254, 276, 302, 368, 381, 453, 508, 552, 604, 762, 906, 1016, 1104, 1208, 1524, 1812, 2032, 2416, 2921, 3048, 3473, 3624, 5842, 6096, 6946, 7248, 8763, 10419, 11684, 13892, 17526, 19177, 20838, 23368, 27784, 35052, 38354, 41676, 46736, 55568, 57531, 70104, 76708, 83352, 115062, 140208, 153416, 166704, 230124, 306832, 441071, 460248, 882142, 920496, 1323213, 1764284, 2646426, 3528568, 5292852, 7057136, 10585704, 21171408]

約数ペア:

[(1, 21171408), (2, 10585704), (3, 7057136), (4, 5292852), (6, 3528568), (8, 2646426), (12, 1764284), (16, 1323213), (23, 920496), (24, 882142), (46, 460248), (48, 441071), (69, 306832), (92, 230124), (127, 166704), (138, 153416), (151, 140208), (184, 115062), (254, 83352), (276, 76708), (302, 70104), (368, 57531), (381, 55568), (453, 46736), (508, 41676), (552, 38354), (604, 35052), (762, 27784), (906, 23368), (1016, 20838), (1104, 19177), (1208, 17526), (1524, 13892), (1812, 11684), (2032, 10419), (2416, 8763), (2921, 7248), (3048, 6946), (3473, 6096), (3624, 5842)]