21556884

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 53597376

約数和(自身を除く): 32040492

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 251, 421, 502, 753, 842, 1004, 1263, 1506, 1684, 2526, 3012, 4267, 5052, 7157, 8534, 12801, 14314, 17068, 21471, 25602, 28628, 42942, 51204, 85884, 105671, 211342, 317013, 422684, 634026, 1268052, 1796407, 3592814, 5389221, 7185628, 10778442, 21556884]

約数ペア:

[(1, 21556884), (2, 10778442), (3, 7185628), (4, 5389221), (6, 3592814), (12, 1796407), (17, 1268052), (34, 634026), (51, 422684), (68, 317013), (102, 211342), (204, 105671), (251, 85884), (421, 51204), (502, 42942), (753, 28628), (842, 25602), (1004, 21471), (1263, 17068), (1506, 14314), (1684, 12801), (2526, 8534), (3012, 7157), (4267, 5052)]