21816256

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:282

約数の個数: 112

約数和(自身を含む): 57058560

約数和(自身を除く): 35242304

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 64, 76, 77, 88, 112, 133, 152, 154, 176, 209, 224, 233, 266, 304, 308, 352, 418, 448, 466, 532, 608, 616, 704, 836, 932, 1064, 1216, 1232, 1463, 1631, 1672, 1864, 2128, 2464, 2563, 2926, 3262, 3344, 3728, 4256, 4427, 4928, 5126, 5852, 6524, 6688, 7456, 8512, 8854, 10252, 11704, 13048, 13376, 14912, 17708, 17941, 20504, 23408, 26096, 30989, 35416, 35882, 41008, 46816, 48697, 52192, 61978, 70832, 71764, 82016, 93632, 97394, 104384, 123956, 141664, 143528, 164032, 194788, 247912, 283328, 287056, 340879, 389576, 495824, 574112, 681758, 779152, 991648, 1148224, 1363516, 1558304, 1983296, 2727032, 3116608, 5454064, 10908128, 21816256]

約数ペア:

[(1, 21816256), (2, 10908128), (4, 5454064), (7, 3116608), (8, 2727032), (11, 1983296), (14, 1558304), (16, 1363516), (19, 1148224), (22, 991648), (28, 779152), (32, 681758), (38, 574112), (44, 495824), (56, 389576), (64, 340879), (76, 287056), (77, 283328), (88, 247912), (112, 194788), (133, 164032), (152, 143528), (154, 141664), (176, 123956), (209, 104384), (224, 97394), (233, 93632), (266, 82016), (304, 71764), (308, 70832), (352, 61978), (418, 52192), (448, 48697), (466, 46816), (532, 41008), (608, 35882), (616, 35416), (704, 30989), (836, 26096), (932, 23408), (1064, 20504), (1216, 17941), (1232, 17708), (1463, 14912), (1631, 13376), (1672, 13048), (1864, 11704), (2128, 10252), (2464, 8854), (2563, 8512), (2926, 7456), (3262, 6688), (3344, 6524), (3728, 5852), (4256, 5126), (4427, 4928)]