21461874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8377}}^1$

素因数の和:8450

約数の個数: 32

約数和(自身を含む): 49865856

約数和(自身を除く): 28403982

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 8377, 16754, 25131, 50262, 58639, 117278, 175917, 351834, 510997, 1021994, 1532991, 3065982, 3576979, 7153958, 10730937, 21461874]

約数ペア:

[(1, 21461874), (2, 10730937), (3, 7153958), (6, 3576979), (7, 3065982), (14, 1532991), (21, 1021994), (42, 510997), (61, 351834), (122, 175917), (183, 117278), (366, 58639), (427, 50262), (854, 25131), (1281, 16754), (2562, 8377)]