21221496

素因数分解:

$2^3\times 3^2\times {\mathrm{241}}^1\times {\mathrm{1223}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 57760560

約数和(自身を除く): 36539064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 241, 482, 723, 964, 1223, 1446, 1928, 2169, 2446, 2892, 3669, 4338, 4892, 5784, 7338, 8676, 9784, 11007, 14676, 17352, 22014, 29352, 44028, 88056, 294743, 589486, 884229, 1178972, 1768458, 2357944, 2652687, 3536916, 5305374, 7073832, 10610748, 21221496]

約数ペア:

[(1, 21221496), (2, 10610748), (3, 7073832), (4, 5305374), (6, 3536916), (8, 2652687), (9, 2357944), (12, 1768458), (18, 1178972), (24, 884229), (36, 589486), (72, 294743), (241, 88056), (482, 44028), (723, 29352), (964, 22014), (1223, 17352), (1446, 14676), (1928, 11007), (2169, 9784), (2446, 8676), (2892, 7338), (3669, 5784), (4338, 4892)]