21236448

素因数分解:

$2^5\times 3^1\times {\mathrm{157}}^1\times {\mathrm{1409}}^1$

素因数の和:1579

約数の個数: 48

約数和(自身を含む): 56140560

約数和(自身を除く): 34904112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 157, 314, 471, 628, 942, 1256, 1409, 1884, 2512, 2818, 3768, 4227, 5024, 5636, 7536, 8454, 11272, 15072, 16908, 22544, 33816, 45088, 67632, 135264, 221213, 442426, 663639, 884852, 1327278, 1769704, 2654556, 3539408, 5309112, 7078816, 10618224, 21236448]

約数ペア:

[(1, 21236448), (2, 10618224), (3, 7078816), (4, 5309112), (6, 3539408), (8, 2654556), (12, 1769704), (16, 1327278), (24, 884852), (32, 663639), (48, 442426), (96, 221213), (157, 135264), (314, 67632), (471, 45088), (628, 33816), (942, 22544), (1256, 16908), (1409, 15072), (1884, 11272), (2512, 8454), (2818, 7536), (3768, 5636), (4227, 5024)]