21444670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{563}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 41785632

約数和(自身を除く): 20340962

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 293, 563, 586, 1126, 1465, 2815, 2930, 3809, 5630, 7319, 7618, 14638, 19045, 36595, 38090, 73190, 164959, 329918, 824795, 1649590, 2144467, 4288934, 10722335, 21444670]

約数ペア:

[(1, 21444670), (2, 10722335), (5, 4288934), (10, 2144467), (13, 1649590), (26, 824795), (65, 329918), (130, 164959), (293, 73190), (563, 38090), (586, 36595), (1126, 19045), (1465, 14638), (2815, 7618), (2930, 7319), (3809, 5630)]