21971346

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 45050688

約数和(自身を除く): 23079342

約数列:

[1, 2, 3, 6, 61, 122, 173, 183, 346, 347, 366, 519, 694, 1038, 1041, 2082, 10553, 21106, 21167, 31659, 42334, 60031, 63318, 63501, 120062, 127002, 180093, 360186, 3661891, 7323782, 10985673, 21971346]

約数ペア:

[(1, 21971346), (2, 10985673), (3, 7323782), (6, 3661891), (61, 360186), (122, 180093), (173, 127002), (183, 120062), (346, 63501), (347, 63318), (366, 60031), (519, 42334), (694, 31659), (1038, 21167), (1041, 21106), (2082, 10553)]