21567804573

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{509}}^1\times {\mathrm{6133}}^1$

素因数の和:6706

約数の個数: 48

約数和(自身を含む): 34236552960

約数和(自身を除く): 12668748387

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 509, 987, 1527, 2303, 3563, 6133, 6909, 10689, 18399, 23923, 24941, 42931, 71769, 74823, 128793, 167461, 288251, 300517, 502383, 864753, 901551, 1172227, 2017757, 3121697, 3516681, 6053271, 9365091, 14124299, 21851879, 42372897, 65555637, 146719759, 152963153, 440159277, 458889459, 1027038313, 3081114939, 7189268191, 21567804573]

約数ペア:

[(1, 21567804573), (3, 7189268191), (7, 3081114939), (21, 1027038313), (47, 458889459), (49, 440159277), (141, 152963153), (147, 146719759), (329, 65555637), (509, 42372897), (987, 21851879), (1527, 14124299), (2303, 9365091), (3563, 6053271), (6133, 3516681), (6909, 3121697), (10689, 2017757), (18399, 1172227), (23923, 901551), (24941, 864753), (42931, 502383), (71769, 300517), (74823, 288251), (128793, 167461)]