21874797

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1049}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 36254400

約数和(自身を除く): 14379603

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 1049, 2317, 2979, 3147, 6951, 7343, 9441, 20853, 22029, 66087, 347219, 1041657, 2430533, 3124971, 7291599, 21874797]

約数ペア:

[(1, 21874797), (3, 7291599), (7, 3124971), (9, 2430533), (21, 1041657), (63, 347219), (331, 66087), (993, 22029), (1049, 20853), (2317, 9441), (2979, 7343), (3147, 6951)]