21804744

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4111}}^1$

素因数の和:4150

約数の個数: 64

約数和(自身を含む): 62173440

約数和(自身を除く): 40368696

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 312, 408, 442, 663, 884, 1326, 1768, 2652, 4111, 5304, 8222, 12333, 16444, 24666, 32888, 49332, 53443, 69887, 98664, 106886, 139774, 160329, 209661, 213772, 279548, 320658, 419322, 427544, 559096, 641316, 838644, 908531, 1282632, 1677288, 1817062, 2725593, 3634124, 5451186, 7268248, 10902372, 21804744]

約数ペア:

[(1, 21804744), (2, 10902372), (3, 7268248), (4, 5451186), (6, 3634124), (8, 2725593), (12, 1817062), (13, 1677288), (17, 1282632), (24, 908531), (26, 838644), (34, 641316), (39, 559096), (51, 427544), (52, 419322), (68, 320658), (78, 279548), (102, 213772), (104, 209661), (136, 160329), (156, 139774), (204, 106886), (221, 98664), (312, 69887), (408, 53443), (442, 49332), (663, 32888), (884, 24666), (1326, 16444), (1768, 12333), (2652, 8222), (4111, 5304)]