21820998

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 44658432

約数和(自身を除く): 22837434

約数列:

[1, 2, 3, 6, 71, 142, 181, 213, 283, 362, 426, 543, 566, 849, 1086, 1698, 12851, 20093, 25702, 38553, 40186, 51223, 60279, 77106, 102446, 120558, 153669, 307338, 3636833, 7273666, 10910499, 21820998]

約数ペア:

[(1, 21820998), (2, 10910499), (3, 7273666), (6, 3636833), (71, 307338), (142, 153669), (181, 120558), (213, 102446), (283, 77106), (362, 60279), (426, 51223), (543, 40186), (566, 38553), (849, 25702), (1086, 20093), (1698, 12851)]