21625758

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{743}}^1$

素因数の和:779

約数の個数: 96

約数和(自身を含む): 61067520

約数和(自身を除く): 39441762

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 49, 54, 63, 66, 77, 98, 99, 126, 147, 154, 189, 198, 231, 294, 297, 378, 441, 462, 539, 594, 693, 743, 882, 1078, 1323, 1386, 1486, 1617, 2079, 2229, 2646, 3234, 4158, 4458, 4851, 5201, 6687, 8173, 9702, 10402, 13374, 14553, 15603, 16346, 20061, 24519, 29106, 31206, 36407, 40122, 46809, 49038, 57211, 72814, 73557, 93618, 109221, 114422, 140427, 147114, 171633, 218442, 220671, 280854, 327663, 343266, 400477, 441342, 514899, 655326, 800954, 982989, 1029798, 1201431, 1544697, 1965978, 2402862, 3089394, 3604293, 7208586, 10812879, 21625758]

約数ペア:

[(1, 21625758), (2, 10812879), (3, 7208586), (6, 3604293), (7, 3089394), (9, 2402862), (11, 1965978), (14, 1544697), (18, 1201431), (21, 1029798), (22, 982989), (27, 800954), (33, 655326), (42, 514899), (49, 441342), (54, 400477), (63, 343266), (66, 327663), (77, 280854), (98, 220671), (99, 218442), (126, 171633), (147, 147114), (154, 140427), (189, 114422), (198, 109221), (231, 93618), (294, 73557), (297, 72814), (378, 57211), (441, 49038), (462, 46809), (539, 40122), (594, 36407), (693, 31206), (743, 29106), (882, 24519), (1078, 20061), (1323, 16346), (1386, 15603), (1486, 14553), (1617, 13374), (2079, 10402), (2229, 9702), (2646, 8173), (3234, 6687), (4158, 5201), (4458, 4851)]