21187548864

素因数分解:

$2^6\times 3^3\times {\mathrm{47}}^1\times {\mathrm{260879}}^1$

素因数の和:260947

約数の個数: 112

約数和(自身を含む): 63612979200

約数和(自身を除く): 42425430336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 94, 96, 108, 141, 144, 188, 192, 216, 282, 288, 376, 423, 432, 564, 576, 752, 846, 864, 1128, 1269, 1504, 1692, 1728, 2256, 2538, 3008, 3384, 4512, 5076, 6768, 9024, 10152, 13536, 20304, 27072, 40608, 81216, 260879, 521758, 782637, 1043516, 1565274, 2087032, 2347911, 3130548, 4174064, 4695822, 6261096, 7043733, 8348128, 9391644, 12261313, 12522192, 14087466, 16696256, 18783288, 24522626, 25044384, 28174932, 36783939, 37566576, 49045252, 50088768, 56349864, 73567878, 75133152, 98090504, 110351817, 112699728, 147135756, 150266304, 196181008, 220703634, 225399456, 294271512, 331055451, 392362016, 441407268, 450798912, 588543024, 662110902, 784724032, 882814536, 1177086048, 1324221804, 1765629072, 2354172096, 2648443608, 3531258144, 5296887216, 7062516288, 10593774432, 21187548864]

約数ペア:

[(1, 21187548864), (2, 10593774432), (3, 7062516288), (4, 5296887216), (6, 3531258144), (8, 2648443608), (9, 2354172096), (12, 1765629072), (16, 1324221804), (18, 1177086048), (24, 882814536), (27, 784724032), (32, 662110902), (36, 588543024), (47, 450798912), (48, 441407268), (54, 392362016), (64, 331055451), (72, 294271512), (94, 225399456), (96, 220703634), (108, 196181008), (141, 150266304), (144, 147135756), (188, 112699728), (192, 110351817), (216, 98090504), (282, 75133152), (288, 73567878), (376, 56349864), (423, 50088768), (432, 49045252), (564, 37566576), (576, 36783939), (752, 28174932), (846, 25044384), (864, 24522626), (1128, 18783288), (1269, 16696256), (1504, 14087466), (1692, 12522192), (1728, 12261313), (2256, 9391644), (2538, 8348128), (3008, 7043733), (3384, 6261096), (4512, 4695822), (5076, 4174064), (6768, 3130548), (9024, 2347911), (10152, 2087032), (13536, 1565274), (20304, 1043516), (27072, 782637), (40608, 521758), (81216, 260879)]