21798456

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 57093120

約数和(自身を除く): 35294664

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 83, 93, 124, 166, 186, 248, 249, 332, 353, 372, 498, 664, 706, 744, 996, 1059, 1412, 1992, 2118, 2573, 2824, 4236, 5146, 7719, 8472, 10292, 10943, 15438, 20584, 21886, 29299, 30876, 32829, 43772, 58598, 61752, 65658, 87544, 87897, 117196, 131316, 175794, 234392, 262632, 351588, 703176, 908269, 1816538, 2724807, 3633076, 5449614, 7266152, 10899228, 21798456]

約数ペア:

[(1, 21798456), (2, 10899228), (3, 7266152), (4, 5449614), (6, 3633076), (8, 2724807), (12, 1816538), (24, 908269), (31, 703176), (62, 351588), (83, 262632), (93, 234392), (124, 175794), (166, 131316), (186, 117196), (248, 87897), (249, 87544), (332, 65658), (353, 61752), (372, 58598), (498, 43772), (664, 32829), (706, 30876), (744, 29299), (996, 21886), (1059, 20584), (1412, 15438), (1992, 10943), (2118, 10292), (2573, 8472), (2824, 7719), (4236, 5146)]