21633945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1973}}^1$

素因数の和:2041

約数の個数: 32

約数和(自身を含む): 37521792

約数和(自身を除く): 15887847

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 1973, 2193, 3655, 5919, 9865, 10965, 29595, 33541, 84839, 100623, 167705, 254517, 424195, 503115, 1272585, 1442263, 4326789, 7211315, 21633945]

約数ペア:

[(1, 21633945), (3, 7211315), (5, 4326789), (15, 1442263), (17, 1272585), (43, 503115), (51, 424195), (85, 254517), (129, 167705), (215, 100623), (255, 84839), (645, 33541), (731, 29595), (1973, 10965), (2193, 9865), (3655, 5919)]