21199266

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 52099200

約数和(自身を除く): 30899934

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 89, 99, 178, 198, 267, 297, 401, 534, 594, 801, 802, 979, 1203, 1602, 1958, 2403, 2406, 2937, 3609, 4411, 4806, 5874, 7218, 8811, 8822, 10827, 13233, 17622, 21654, 26433, 26466, 35689, 39699, 52866, 71378, 79398, 107067, 119097, 214134, 238194, 321201, 392579, 642402, 785158, 963603, 1177737, 1927206, 2355474, 3533211, 7066422, 10599633, 21199266]

約数ペア:

[(1, 21199266), (2, 10599633), (3, 7066422), (6, 3533211), (9, 2355474), (11, 1927206), (18, 1177737), (22, 963603), (27, 785158), (33, 642402), (54, 392579), (66, 321201), (89, 238194), (99, 214134), (178, 119097), (198, 107067), (267, 79398), (297, 71378), (401, 52866), (534, 39699), (594, 35689), (801, 26466), (802, 26433), (979, 21654), (1203, 17622), (1602, 13233), (1958, 10827), (2403, 8822), (2406, 8811), (2937, 7218), (3609, 5874), (4411, 4806)]