21019552

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 43637832

約数和(自身を除く): 22618280

約数列:

[1, 2, 4, 8, 16, 32, 37, 41, 74, 82, 148, 164, 296, 328, 433, 592, 656, 866, 1184, 1312, 1517, 1732, 3034, 3464, 6068, 6928, 12136, 13856, 16021, 17753, 24272, 32042, 35506, 48544, 64084, 71012, 128168, 142024, 256336, 284048, 512672, 568096, 656861, 1313722, 2627444, 5254888, 10509776, 21019552]

約数ペア:

[(1, 21019552), (2, 10509776), (4, 5254888), (8, 2627444), (16, 1313722), (32, 656861), (37, 568096), (41, 512672), (74, 284048), (82, 256336), (148, 142024), (164, 128168), (296, 71012), (328, 64084), (433, 48544), (592, 35506), (656, 32042), (866, 24272), (1184, 17753), (1312, 16021), (1517, 13856), (1732, 12136), (3034, 6928), (3464, 6068)]