21404110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 48609792

約数和(自身を除く): 27205682

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 215, 301, 430, 455, 547, 559, 602, 910, 1094, 1118, 1505, 2735, 2795, 3010, 3829, 3913, 5470, 5590, 7111, 7658, 7826, 14222, 19145, 19565, 23521, 35555, 38290, 39130, 47042, 49777, 71110, 99554, 117605, 164647, 235210, 248885, 305773, 329294, 497770, 611546, 823235, 1528865, 1646470, 2140411, 3057730, 4280822, 10702055, 21404110]

約数ペア:

[(1, 21404110), (2, 10702055), (5, 4280822), (7, 3057730), (10, 2140411), (13, 1646470), (14, 1528865), (26, 823235), (35, 611546), (43, 497770), (65, 329294), (70, 305773), (86, 248885), (91, 235210), (130, 164647), (182, 117605), (215, 99554), (301, 71110), (430, 49777), (455, 47042), (547, 39130), (559, 38290), (602, 35555), (910, 23521), (1094, 19565), (1118, 19145), (1505, 14222), (2735, 7826), (2795, 7658), (3010, 7111), (3829, 5590), (3913, 5470)]