21212093340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3184999}}^1$

素因数の和:3185051

約数の個数: 72

約数和(自身を含む): 66082380000

約数和(自身を除く): 44870286660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 3184999, 6369998, 9554997, 12739996, 15924995, 19109994, 28664991, 31849990, 38219988, 47774985, 57329982, 63699980, 95549970, 114659964, 117844963, 143324955, 191099940, 235689926, 286649910, 353534889, 471379852, 573299820, 589224815, 707069778, 1060604667, 1178449630, 1414139556, 1767674445, 2121209334, 2356899260, 3535348890, 4242418668, 5303023335, 7070697780, 10606046670, 21212093340]

約数ペア:

[(1, 21212093340), (2, 10606046670), (3, 7070697780), (4, 5303023335), (5, 4242418668), (6, 3535348890), (9, 2356899260), (10, 2121209334), (12, 1767674445), (15, 1414139556), (18, 1178449630), (20, 1060604667), (30, 707069778), (36, 589224815), (37, 573299820), (45, 471379852), (60, 353534889), (74, 286649910), (90, 235689926), (111, 191099940), (148, 143324955), (180, 117844963), (185, 114659964), (222, 95549970), (333, 63699980), (370, 57329982), (444, 47774985), (555, 38219988), (666, 31849990), (740, 28664991), (1110, 19109994), (1332, 15924995), (1665, 12739996), (2220, 9554997), (3330, 6369998), (6660, 3184999)]