21237852

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1543}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 52570112

約数和(自身を除く): 31332260

約数列:

[1, 2, 3, 4, 6, 12, 31, 37, 62, 74, 93, 111, 124, 148, 186, 222, 372, 444, 1147, 1543, 2294, 3086, 3441, 4588, 4629, 6172, 6882, 9258, 13764, 18516, 47833, 57091, 95666, 114182, 143499, 171273, 191332, 228364, 286998, 342546, 573996, 685092, 1769821, 3539642, 5309463, 7079284, 10618926, 21237852]

約数ペア:

[(1, 21237852), (2, 10618926), (3, 7079284), (4, 5309463), (6, 3539642), (12, 1769821), (31, 685092), (37, 573996), (62, 342546), (74, 286998), (93, 228364), (111, 191332), (124, 171273), (148, 143499), (186, 114182), (222, 95666), (372, 57091), (444, 47833), (1147, 18516), (1543, 13764), (2294, 9258), (3086, 6882), (3441, 6172), (4588, 4629)]