16821156

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{353}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 45317664

約数和(自身を除く): 28496508

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 353, 361, 418, 627, 706, 722, 836, 1059, 1083, 1254, 1412, 1444, 2118, 2166, 2508, 3883, 3971, 4236, 4332, 6707, 7766, 7942, 11649, 11913, 13414, 15532, 15884, 20121, 23298, 23826, 26828, 40242, 46596, 47652, 73777, 80484, 127433, 147554, 221331, 254866, 295108, 382299, 442662, 509732, 764598, 885324, 1401763, 1529196, 2803526, 4205289, 5607052, 8410578, 16821156]

約数ペア:

[(1, 16821156), (2, 8410578), (3, 5607052), (4, 4205289), (6, 2803526), (11, 1529196), (12, 1401763), (19, 885324), (22, 764598), (33, 509732), (38, 442662), (44, 382299), (57, 295108), (66, 254866), (76, 221331), (114, 147554), (132, 127433), (209, 80484), (228, 73777), (353, 47652), (361, 46596), (418, 40242), (627, 26828), (706, 23826), (722, 23298), (836, 20121), (1059, 15884), (1083, 15532), (1254, 13414), (1412, 11913), (1444, 11649), (2118, 7942), (2166, 7766), (2508, 6707), (3883, 4332), (3971, 4236)]