21688902

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{827}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 49600512

約数和(自身を除く): 27911610

約数列:

[1, 2, 3, 6, 9, 18, 31, 47, 62, 93, 94, 141, 186, 279, 282, 423, 558, 827, 846, 1457, 1654, 2481, 2914, 4371, 4962, 7443, 8742, 13113, 14886, 25637, 26226, 38869, 51274, 76911, 77738, 116607, 153822, 230733, 233214, 349821, 461466, 699642, 1204939, 2409878, 3614817, 7229634, 10844451, 21688902]

約数ペア:

[(1, 21688902), (2, 10844451), (3, 7229634), (6, 3614817), (9, 2409878), (18, 1204939), (31, 699642), (47, 461466), (62, 349821), (93, 233214), (94, 230733), (141, 153822), (186, 116607), (279, 77738), (282, 76911), (423, 51274), (558, 38869), (827, 26226), (846, 25637), (1457, 14886), (1654, 13113), (2481, 8742), (2914, 7443), (4371, 4962)]