21972846

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9871}}^1$

素因数の和:9936

約数の個数: 32

約数和(自身を含む): 51176448

約数和(自身を除く): 29203602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 9871, 19742, 29613, 59226, 69097, 138194, 207291, 414582, 523163, 1046326, 1569489, 3138978, 3662141, 7324282, 10986423, 21972846]

約数ペア:

[(1, 21972846), (2, 10986423), (3, 7324282), (6, 3662141), (7, 3138978), (14, 1569489), (21, 1046326), (42, 523163), (53, 414582), (106, 207291), (159, 138194), (318, 69097), (371, 59226), (742, 29613), (1113, 19742), (2226, 9871)]