21914144

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^2\times {\mathrm{271}}^1$

素因数の和:326

約数の個数: 72

約数和(自身を含む): 52230528

約数和(自身を除く): 30316384

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 271, 304, 361, 532, 542, 608, 722, 1064, 1084, 1444, 1897, 2128, 2168, 2527, 2888, 3794, 4256, 4336, 5054, 5149, 5776, 7588, 8672, 10108, 10298, 11552, 15176, 20216, 20596, 30352, 36043, 40432, 41192, 60704, 72086, 80864, 82384, 97831, 144172, 164768, 195662, 288344, 391324, 576688, 684817, 782648, 1153376, 1369634, 1565296, 2739268, 3130592, 5478536, 10957072, 21914144]

約数ペア:

[(1, 21914144), (2, 10957072), (4, 5478536), (7, 3130592), (8, 2739268), (14, 1565296), (16, 1369634), (19, 1153376), (28, 782648), (32, 684817), (38, 576688), (56, 391324), (76, 288344), (112, 195662), (133, 164768), (152, 144172), (224, 97831), (266, 82384), (271, 80864), (304, 72086), (361, 60704), (532, 41192), (542, 40432), (608, 36043), (722, 30352), (1064, 20596), (1084, 20216), (1444, 15176), (1897, 11552), (2128, 10298), (2168, 10108), (2527, 8672), (2888, 7588), (3794, 5776), (4256, 5149), (4336, 5054)]