21178710

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33617}}^1$

素因数の和:33637

約数の個数: 48

約数和(自身を含む): 62932896

約数和(自身を除く): 41754186

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33617, 67234, 100851, 168085, 201702, 235319, 302553, 336170, 470638, 504255, 605106, 705957, 1008510, 1176595, 1411914, 1512765, 2117871, 2353190, 3025530, 3529785, 4235742, 7059570, 10589355, 21178710]

約数ペア:

[(1, 21178710), (2, 10589355), (3, 7059570), (5, 4235742), (6, 3529785), (7, 3025530), (9, 2353190), (10, 2117871), (14, 1512765), (15, 1411914), (18, 1176595), (21, 1008510), (30, 705957), (35, 605106), (42, 504255), (45, 470638), (63, 336170), (70, 302553), (90, 235319), (105, 201702), (126, 168085), (210, 100851), (315, 67234), (630, 33617)]