21002544

素因数分解:

$2^4\times 3^3\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:875

約数の個数: 80

約数和(自身を含む): 61350240

約数和(自身を除く): 40347696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 61, 72, 108, 122, 144, 183, 216, 244, 366, 432, 488, 549, 732, 797, 976, 1098, 1464, 1594, 1647, 2196, 2391, 2928, 3188, 3294, 4392, 4782, 6376, 6588, 7173, 8784, 9564, 12752, 13176, 14346, 19128, 21519, 26352, 28692, 38256, 43038, 48617, 57384, 86076, 97234, 114768, 145851, 172152, 194468, 291702, 344304, 388936, 437553, 583404, 777872, 875106, 1166808, 1312659, 1750212, 2333616, 2625318, 3500424, 5250636, 7000848, 10501272, 21002544]

約数ペア:

[(1, 21002544), (2, 10501272), (3, 7000848), (4, 5250636), (6, 3500424), (8, 2625318), (9, 2333616), (12, 1750212), (16, 1312659), (18, 1166808), (24, 875106), (27, 777872), (36, 583404), (48, 437553), (54, 388936), (61, 344304), (72, 291702), (108, 194468), (122, 172152), (144, 145851), (183, 114768), (216, 97234), (244, 86076), (366, 57384), (432, 48617), (488, 43038), (549, 38256), (732, 28692), (797, 26352), (976, 21519), (1098, 19128), (1464, 14346), (1594, 13176), (1647, 12752), (2196, 9564), (2391, 8784), (2928, 7173), (3188, 6588), (3294, 6376), (4392, 4782)]