21291392

素因数分解:

$2^7\times {\mathrm{181}}^1\times {\mathrm{919}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 42697200

約数和(自身を除く): 21405808

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 181, 362, 724, 919, 1448, 1838, 2896, 3676, 5792, 7352, 11584, 14704, 23168, 29408, 58816, 117632, 166339, 332678, 665356, 1330712, 2661424, 5322848, 10645696, 21291392]

約数ペア:

[(1, 21291392), (2, 10645696), (4, 5322848), (8, 2661424), (16, 1330712), (32, 665356), (64, 332678), (128, 166339), (181, 117632), (362, 58816), (724, 29408), (919, 23168), (1448, 14704), (1838, 11584), (2896, 7352), (3676, 5792)]