21915691343

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{26203}}^1$

素因数の和:26344

約数の個数: 36

約数和(自身を含む): 27880060248

約数和(自身を除く): 5964368905

約数列:

[1, 7, 13, 49, 91, 101, 169, 637, 707, 1183, 1313, 4949, 8281, 9191, 17069, 26203, 64337, 119483, 183421, 340639, 836381, 1283947, 2384473, 2646503, 4428307, 16691311, 18525521, 30998149, 34404539, 129678647, 216987043, 240831773, 447259007, 1685822411, 3130813049, 21915691343]

約数ペア:

[(1, 21915691343), (7, 3130813049), (13, 1685822411), (49, 447259007), (91, 240831773), (101, 216987043), (169, 129678647), (637, 34404539), (707, 30998149), (1183, 18525521), (1313, 16691311), (4949, 4428307), (8281, 2646503), (9191, 2384473), (17069, 1283947), (26203, 836381), (64337, 340639), (119483, 183421)]