21494553678

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1371001}}^1$

素因数の和:1371089

約数の個数: 48

約数和(自身を含む): 50902562256

約数和(自身を除く): 29408008578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 201, 234, 402, 603, 871, 1206, 1742, 2613, 5226, 7839, 15678, 1371001, 2742002, 4113003, 8226006, 12339009, 17823013, 24678018, 35646026, 53469039, 91857067, 106938078, 160407117, 183714134, 275571201, 320814234, 551142402, 826713603, 1194141871, 1653427206, 2388283742, 3582425613, 7164851226, 10747276839, 21494553678]

約数ペア:

[(1, 21494553678), (2, 10747276839), (3, 7164851226), (6, 3582425613), (9, 2388283742), (13, 1653427206), (18, 1194141871), (26, 826713603), (39, 551142402), (67, 320814234), (78, 275571201), (117, 183714134), (134, 160407117), (201, 106938078), (234, 91857067), (402, 53469039), (603, 35646026), (871, 24678018), (1206, 17823013), (1742, 12339009), (2613, 8226006), (5226, 4113003), (7839, 2742002), (15678, 1371001)]