21639582

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{7561}}^1$

素因数の和:7625

約数の個数: 32

約数和(自身を含む): 49001760

約数和(自身を除く): 27362178

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 7561, 15122, 22683, 45366, 68049, 136098, 204147, 400733, 408294, 801466, 1202199, 2404398, 3606597, 7213194, 10819791, 21639582]

約数ペア:

[(1, 21639582), (2, 10819791), (3, 7213194), (6, 3606597), (9, 2404398), (18, 1202199), (27, 801466), (53, 408294), (54, 400733), (106, 204147), (159, 136098), (318, 68049), (477, 45366), (954, 22683), (1431, 15122), (2862, 7561)]