21642552

素因数分解:

$2^3\times 3^7\times {\mathrm{1237}}^1$

素因数の和:1264

約数の個数: 64

約数和(自身を含む): 60909600

約数和(自身を除く): 39267048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1237, 1458, 1944, 2187, 2474, 2916, 3711, 4374, 4948, 5832, 7422, 8748, 9896, 11133, 14844, 17496, 22266, 29688, 33399, 44532, 66798, 89064, 100197, 133596, 200394, 267192, 300591, 400788, 601182, 801576, 901773, 1202364, 1803546, 2404728, 2705319, 3607092, 5410638, 7214184, 10821276, 21642552]

約数ペア:

[(1, 21642552), (2, 10821276), (3, 7214184), (4, 5410638), (6, 3607092), (8, 2705319), (9, 2404728), (12, 1803546), (18, 1202364), (24, 901773), (27, 801576), (36, 601182), (54, 400788), (72, 300591), (81, 267192), (108, 200394), (162, 133596), (216, 100197), (243, 89064), (324, 66798), (486, 44532), (648, 33399), (729, 29688), (972, 22266), (1237, 17496), (1458, 14844), (1944, 11133), (2187, 9896), (2474, 8748), (2916, 7422), (3711, 5832), (4374, 4948)]