21403096

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 48172320

約数和(自身を除く): 26769224

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 53, 88, 104, 106, 143, 212, 286, 353, 424, 572, 583, 689, 706, 1144, 1166, 1378, 1412, 2332, 2756, 2824, 3883, 4589, 4664, 5512, 7579, 7766, 9178, 15158, 15532, 18356, 18709, 30316, 31064, 36712, 37418, 50479, 60632, 74836, 100958, 149672, 201916, 205799, 243217, 403832, 411598, 486434, 823196, 972868, 1646392, 1945736, 2675387, 5350774, 10701548, 21403096]

約数ペア:

[(1, 21403096), (2, 10701548), (4, 5350774), (8, 2675387), (11, 1945736), (13, 1646392), (22, 972868), (26, 823196), (44, 486434), (52, 411598), (53, 403832), (88, 243217), (104, 205799), (106, 201916), (143, 149672), (212, 100958), (286, 74836), (353, 60632), (424, 50479), (572, 37418), (583, 36712), (689, 31064), (706, 30316), (1144, 18709), (1166, 18356), (1378, 15532), (1412, 15158), (2332, 9178), (2756, 7766), (2824, 7579), (3883, 5512), (4589, 4664)]