21249714

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3517}}^1$

素因数の和:3594

約数の個数: 32

約数和(自身を含む): 45593280

約数和(自身を除く): 24343566

約数列:

[1, 2, 3, 6, 19, 38, 53, 57, 106, 114, 159, 318, 1007, 2014, 3021, 3517, 6042, 7034, 10551, 21102, 66823, 133646, 186401, 200469, 372802, 400938, 559203, 1118406, 3541619, 7083238, 10624857, 21249714]

約数ペア:

[(1, 21249714), (2, 10624857), (3, 7083238), (6, 3541619), (19, 1118406), (38, 559203), (53, 400938), (57, 372802), (106, 200469), (114, 186401), (159, 133646), (318, 66823), (1007, 21102), (2014, 10551), (3021, 7034), (3517, 6042)]