21076090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 25579910

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 89, 119, 170, 178, 199, 238, 398, 445, 595, 623, 890, 995, 1190, 1246, 1393, 1513, 1990, 2786, 3026, 3115, 3383, 6230, 6766, 6965, 7565, 10591, 13930, 15130, 16915, 17711, 21182, 23681, 33830, 35422, 47362, 52955, 88555, 105910, 118405, 123977, 177110, 236810, 247954, 301087, 602174, 619885, 1239770, 1505435, 2107609, 3010870, 4215218, 10538045, 21076090]

約数ペア:

[(1, 21076090), (2, 10538045), (5, 4215218), (7, 3010870), (10, 2107609), (14, 1505435), (17, 1239770), (34, 619885), (35, 602174), (70, 301087), (85, 247954), (89, 236810), (119, 177110), (170, 123977), (178, 118405), (199, 105910), (238, 88555), (398, 52955), (445, 47362), (595, 35422), (623, 33830), (890, 23681), (995, 21182), (1190, 17711), (1246, 16915), (1393, 15130), (1513, 13930), (1990, 10591), (2786, 7565), (3026, 6965), (3115, 6766), (3383, 6230)]