21878889110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7417}}^1\times {\mathrm{22691}}^1$

素因数の和:30128

約数の個数: 32

約数和(自身を含む): 42418972512

約数和(自身を除く): 20540083402

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 7417, 14834, 22691, 37085, 45382, 74170, 96421, 113455, 192842, 226910, 294983, 482105, 589966, 964210, 1474915, 2949830, 168299147, 336598294, 841495735, 1682991470, 2187888911, 4375777822, 10939444555, 21878889110]

約数ペア:

[(1, 21878889110), (2, 10939444555), (5, 4375777822), (10, 2187888911), (13, 1682991470), (26, 841495735), (65, 336598294), (130, 168299147), (7417, 2949830), (14834, 1474915), (22691, 964210), (37085, 589966), (45382, 482105), (74170, 294983), (96421, 226910), (113455, 192842)]