21426244400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{442691}}^1$

素因数の和:442731

約数の個数: 90

約数和(自身を含む): 56581792596

約数和(自身を除く): 35155548196

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 400, 440, 484, 550, 605, 880, 968, 1100, 1210, 1936, 2200, 2420, 3025, 4400, 4840, 6050, 9680, 12100, 24200, 48400, 442691, 885382, 1770764, 2213455, 3541528, 4426910, 4869601, 7083056, 8853820, 9739202, 11067275, 17707640, 19478404, 22134550, 24348005, 35415280, 38956808, 44269100, 48696010, 53565611, 77913616, 88538200, 97392020, 107131222, 121740025, 177076400, 194784040, 214262444, 243480050, 267828055, 389568080, 428524888, 486960100, 535656110, 857049776, 973920200, 1071312220, 1339140275, 1947840400, 2142624440, 2678280550, 4285248880, 5356561100, 10713122200, 21426244400]

約数ペア:

[(1, 21426244400), (2, 10713122200), (4, 5356561100), (5, 4285248880), (8, 2678280550), (10, 2142624440), (11, 1947840400), (16, 1339140275), (20, 1071312220), (22, 973920200), (25, 857049776), (40, 535656110), (44, 486960100), (50, 428524888), (55, 389568080), (80, 267828055), (88, 243480050), (100, 214262444), (110, 194784040), (121, 177076400), (176, 121740025), (200, 107131222), (220, 97392020), (242, 88538200), (275, 77913616), (400, 53565611), (440, 48696010), (484, 44269100), (550, 38956808), (605, 35415280), (880, 24348005), (968, 22134550), (1100, 19478404), (1210, 17707640), (1936, 11067275), (2200, 9739202), (2420, 8853820), (3025, 7083056), (4400, 4869601), (4840, 4426910), (6050, 3541528), (9680, 2213455), (12100, 1770764), (24200, 885382), (48400, 442691)]