21152790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2423}}^1$

素因数の和:2533

約数の個数: 48

約数和(自身を含む): 55587168

約数和(自身を除く): 34434378

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2423, 2910, 4365, 4846, 7269, 8730, 12115, 14538, 21807, 24230, 36345, 43614, 72690, 109035, 218070, 235031, 470062, 705093, 1175155, 1410186, 2115279, 2350310, 3525465, 4230558, 7050930, 10576395, 21152790]

約数ペア:

[(1, 21152790), (2, 10576395), (3, 7050930), (5, 4230558), (6, 3525465), (9, 2350310), (10, 2115279), (15, 1410186), (18, 1175155), (30, 705093), (45, 470062), (90, 235031), (97, 218070), (194, 109035), (291, 72690), (485, 43614), (582, 36345), (873, 24230), (970, 21807), (1455, 14538), (1746, 12115), (2423, 8730), (2910, 7269), (4365, 4846)]