21000901272

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{225119}}^1$

素因数の和:225177

約数の個数: 96

約数和(自身を含む): 59323622400

約数和(自身を除く): 38322721128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 169, 184, 276, 299, 312, 338, 507, 552, 598, 676, 897, 1014, 1196, 1352, 1794, 2028, 2392, 3588, 3887, 4056, 7176, 7774, 11661, 15548, 23322, 31096, 46644, 93288, 225119, 450238, 675357, 900476, 1350714, 1800952, 2701428, 2926547, 5177737, 5402856, 5853094, 8779641, 10355474, 11706188, 15533211, 17559282, 20710948, 23412376, 31066422, 35118564, 38045111, 41421896, 62132844, 67310581, 70237128, 76090222, 114135333, 124265688, 134621162, 152180444, 201931743, 228270666, 269242324, 304360888, 403863486, 456541332, 538484648, 807726972, 875037553, 913082664, 1615453944, 1750075106, 2625112659, 3500150212, 5250225318, 7000300424, 10500450636, 21000901272]

約数ペア:

[(1, 21000901272), (2, 10500450636), (3, 7000300424), (4, 5250225318), (6, 3500150212), (8, 2625112659), (12, 1750075106), (13, 1615453944), (23, 913082664), (24, 875037553), (26, 807726972), (39, 538484648), (46, 456541332), (52, 403863486), (69, 304360888), (78, 269242324), (92, 228270666), (104, 201931743), (138, 152180444), (156, 134621162), (169, 124265688), (184, 114135333), (276, 76090222), (299, 70237128), (312, 67310581), (338, 62132844), (507, 41421896), (552, 38045111), (598, 35118564), (676, 31066422), (897, 23412376), (1014, 20710948), (1196, 17559282), (1352, 15533211), (1794, 11706188), (2028, 10355474), (2392, 8779641), (3588, 5853094), (3887, 5402856), (4056, 5177737), (7176, 2926547), (7774, 2701428), (11661, 1800952), (15548, 1350714), (23322, 900476), (31096, 675357), (46644, 450238), (93288, 225119)]