21285552

素因数分解:

$2^4\times 3^1\times {\mathrm{397}}^1\times {\mathrm{1117}}^1$

素因数の和:1525

約数の個数: 40

約数和(自身を含む): 55175536

約数和(自身を除く): 33889984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 397, 794, 1117, 1191, 1588, 2234, 2382, 3176, 3351, 4468, 4764, 6352, 6702, 8936, 9528, 13404, 17872, 19056, 26808, 53616, 443449, 886898, 1330347, 1773796, 2660694, 3547592, 5321388, 7095184, 10642776, 21285552]

約数ペア:

[(1, 21285552), (2, 10642776), (3, 7095184), (4, 5321388), (6, 3547592), (8, 2660694), (12, 1773796), (16, 1330347), (24, 886898), (48, 443449), (397, 53616), (794, 26808), (1117, 19056), (1191, 17872), (1588, 13404), (2234, 9528), (2382, 8936), (3176, 6702), (3351, 6352), (4468, 4764)]