21463554819

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{18199}}^1$

素因数の和:18400

約数の個数: 48

約数和(自身を含む): 34059916800

約数和(自身を除く): 12596361981

約数列:

[1, 3, 7, 21, 49, 71, 113, 147, 213, 339, 497, 791, 1491, 2373, 3479, 5537, 8023, 10437, 16611, 18199, 24069, 54597, 56161, 127393, 168483, 382179, 393127, 891751, 1179381, 1292129, 2056487, 2675253, 3876387, 6169461, 9044903, 14395409, 27134709, 43186227, 63314321, 100767863, 146010577, 189942963, 302303589, 438031731, 1022074039, 3066222117, 7154518273, 21463554819]

約数ペア:

[(1, 21463554819), (3, 7154518273), (7, 3066222117), (21, 1022074039), (49, 438031731), (71, 302303589), (113, 189942963), (147, 146010577), (213, 100767863), (339, 63314321), (497, 43186227), (791, 27134709), (1491, 14395409), (2373, 9044903), (3479, 6169461), (5537, 3876387), (8023, 2675253), (10437, 2056487), (16611, 1292129), (18199, 1179381), (24069, 891751), (54597, 393127), (56161, 382179), (127393, 168483)]