21527754

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 44193600

約数和(自身を除く): 22665846

約数列:

[1, 2, 3, 6, 61, 122, 131, 183, 262, 366, 393, 449, 786, 898, 1347, 2694, 7991, 15982, 23973, 27389, 47946, 54778, 58819, 82167, 117638, 164334, 176457, 352914, 3587959, 7175918, 10763877, 21527754]

約数ペア:

[(1, 21527754), (2, 10763877), (3, 7175918), (6, 3587959), (61, 352914), (122, 176457), (131, 164334), (183, 117638), (262, 82167), (366, 58819), (393, 54778), (449, 47946), (786, 27389), (898, 23973), (1347, 15982), (2694, 7991)]