21000332184

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{3371}}^1$

素因数の和:3921

約数の個数: 128

約数和(自身を含む): 58054510080

約数和(自身を除く): 37054177896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 156, 164, 246, 312, 328, 487, 492, 533, 974, 984, 1066, 1461, 1599, 1948, 2132, 2922, 3198, 3371, 3896, 4264, 5844, 6331, 6396, 6742, 10113, 11688, 12662, 12792, 13484, 18993, 19967, 20226, 25324, 26968, 37986, 39934, 40452, 43823, 50648, 59901, 75972, 79868, 80904, 87646, 119802, 131469, 138211, 151944, 159736, 175292, 239604, 259571, 262938, 276422, 350584, 414633, 479208, 519142, 525876, 552844, 778713, 829266, 1038284, 1051752, 1105688, 1557426, 1641677, 1658532, 1796743, 2076568, 3114852, 3283354, 3317064, 3593486, 4925031, 5390229, 6229704, 6566708, 7186972, 9850062, 10780458, 13133416, 14373944, 19700124, 21341801, 21560916, 39400248, 42683602, 43121832, 64025403, 67308757, 85367204, 128050806, 134617514, 170734408, 201926271, 256101612, 269235028, 403852542, 512203224, 538470056, 807705084, 875013841, 1615410168, 1750027682, 2625041523, 3500055364, 5250083046, 7000110728, 10500166092, 21000332184]

約数ペア:

[(1, 21000332184), (2, 10500166092), (3, 7000110728), (4, 5250083046), (6, 3500055364), (8, 2625041523), (12, 1750027682), (13, 1615410168), (24, 875013841), (26, 807705084), (39, 538470056), (41, 512203224), (52, 403852542), (78, 269235028), (82, 256101612), (104, 201926271), (123, 170734408), (156, 134617514), (164, 128050806), (246, 85367204), (312, 67308757), (328, 64025403), (487, 43121832), (492, 42683602), (533, 39400248), (974, 21560916), (984, 21341801), (1066, 19700124), (1461, 14373944), (1599, 13133416), (1948, 10780458), (2132, 9850062), (2922, 7186972), (3198, 6566708), (3371, 6229704), (3896, 5390229), (4264, 4925031), (5844, 3593486), (6331, 3317064), (6396, 3283354), (6742, 3114852), (10113, 2076568), (11688, 1796743), (12662, 1658532), (12792, 1641677), (13484, 1557426), (18993, 1105688), (19967, 1051752), (20226, 1038284), (25324, 829266), (26968, 778713), (37986, 552844), (39934, 525876), (40452, 519142), (43823, 479208), (50648, 414633), (59901, 350584), (75972, 276422), (79868, 262938), (80904, 259571), (87646, 239604), (119802, 175292), (131469, 159736), (138211, 151944)]