21485142

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 33672618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 113, 126, 189, 226, 339, 378, 503, 678, 791, 1006, 1017, 1509, 1582, 2034, 2373, 3018, 3051, 3521, 4527, 4746, 6102, 7042, 7119, 9054, 10563, 13581, 14238, 21126, 21357, 27162, 31689, 42714, 56839, 63378, 95067, 113678, 170517, 190134, 341034, 397873, 511551, 795746, 1023102, 1193619, 1534653, 2387238, 3069306, 3580857, 7161714, 10742571, 21485142]

約数ペア:

[(1, 21485142), (2, 10742571), (3, 7161714), (6, 3580857), (7, 3069306), (9, 2387238), (14, 1534653), (18, 1193619), (21, 1023102), (27, 795746), (42, 511551), (54, 397873), (63, 341034), (113, 190134), (126, 170517), (189, 113678), (226, 95067), (339, 63378), (378, 56839), (503, 42714), (678, 31689), (791, 27162), (1006, 21357), (1017, 21126), (1509, 14238), (1582, 13581), (2034, 10563), (2373, 9054), (3018, 7119), (3051, 7042), (3521, 6102), (4527, 4746)]