21081412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 21819068

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 151, 167, 209, 302, 334, 418, 604, 668, 836, 1661, 1837, 2869, 3173, 3322, 3674, 5738, 6346, 6644, 7348, 11476, 12692, 25217, 31559, 34903, 50434, 63118, 69806, 100868, 126236, 139612, 277387, 479123, 554774, 958246, 1109548, 1916492, 5270353, 10540706, 21081412]

約数ペア:

[(1, 21081412), (2, 10540706), (4, 5270353), (11, 1916492), (19, 1109548), (22, 958246), (38, 554774), (44, 479123), (76, 277387), (151, 139612), (167, 126236), (209, 100868), (302, 69806), (334, 63118), (418, 50434), (604, 34903), (668, 31559), (836, 25217), (1661, 12692), (1837, 11476), (2869, 7348), (3173, 6644), (3322, 6346), (3674, 5738)]