21553438

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 13905122

約数列:

[1, 2, 23, 29, 46, 58, 107, 151, 214, 302, 667, 1334, 2461, 3103, 3473, 4379, 4922, 6206, 6946, 8758, 16157, 32314, 71369, 100717, 142738, 201434, 371611, 468553, 743222, 937106, 10776719, 21553438]

約数ペア:

[(1, 21553438), (2, 10776719), (23, 937106), (29, 743222), (46, 468553), (58, 371611), (107, 201434), (151, 142738), (214, 100717), (302, 71369), (667, 32314), (1334, 16157), (2461, 8758), (3103, 6946), (3473, 6206), (4379, 4922)]