21143136

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 64447488

約数和(自身を除く): 43304352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 73, 84, 96, 112, 146, 168, 219, 224, 292, 336, 431, 438, 511, 584, 672, 862, 876, 1022, 1168, 1293, 1533, 1724, 1752, 2044, 2336, 2586, 3017, 3066, 3448, 3504, 4088, 5172, 6034, 6132, 6896, 7008, 8176, 9051, 10344, 12068, 12264, 13792, 16352, 18102, 20688, 24136, 24528, 31463, 36204, 41376, 48272, 49056, 62926, 72408, 94389, 96544, 125852, 144816, 188778, 220241, 251704, 289632, 377556, 440482, 503408, 660723, 755112, 880964, 1006816, 1321446, 1510224, 1761928, 2642892, 3020448, 3523856, 5285784, 7047712, 10571568, 21143136]

約数ペア:

[(1, 21143136), (2, 10571568), (3, 7047712), (4, 5285784), (6, 3523856), (7, 3020448), (8, 2642892), (12, 1761928), (14, 1510224), (16, 1321446), (21, 1006816), (24, 880964), (28, 755112), (32, 660723), (42, 503408), (48, 440482), (56, 377556), (73, 289632), (84, 251704), (96, 220241), (112, 188778), (146, 144816), (168, 125852), (219, 96544), (224, 94389), (292, 72408), (336, 62926), (431, 49056), (438, 48272), (511, 41376), (584, 36204), (672, 31463), (862, 24528), (876, 24136), (1022, 20688), (1168, 18102), (1293, 16352), (1533, 13792), (1724, 12264), (1752, 12068), (2044, 10344), (2336, 9051), (2586, 8176), (3017, 7008), (3066, 6896), (3448, 6132), (3504, 6034), (4088, 5172)]