21437282

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 35385600

約数和(自身を除く): 13948318

約数列:

[1, 2, 19, 37, 38, 74, 79, 158, 193, 386, 703, 1406, 1501, 2923, 3002, 3667, 5846, 7141, 7334, 14282, 15247, 30494, 55537, 111074, 135679, 271358, 289693, 564139, 579386, 1128278, 10718641, 21437282]

約数ペア:

[(1, 21437282), (2, 10718641), (19, 1128278), (37, 579386), (38, 564139), (74, 289693), (79, 271358), (158, 135679), (193, 111074), (386, 55537), (703, 30494), (1406, 15247), (1501, 14282), (2923, 7334), (3002, 7141), (3667, 5846)]