21018889452

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5136581}}^1$

素因数の和:5136630

約数の個数: 48

約数和(自身を含む): 55228529664

約数和(自身を除く): 34209640212

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 186, 341, 372, 682, 1023, 1364, 2046, 4092, 5136581, 10273162, 15409743, 20546324, 30819486, 56502391, 61638972, 113004782, 159234011, 169507173, 226009564, 318468022, 339014346, 477702033, 636936044, 678028692, 955404066, 1751574121, 1910808132, 3503148242, 5254722363, 7006296484, 10509444726, 21018889452]

約数ペア:

[(1, 21018889452), (2, 10509444726), (3, 7006296484), (4, 5254722363), (6, 3503148242), (11, 1910808132), (12, 1751574121), (22, 955404066), (31, 678028692), (33, 636936044), (44, 477702033), (62, 339014346), (66, 318468022), (93, 226009564), (124, 169507173), (132, 159234011), (186, 113004782), (341, 61638972), (372, 56502391), (682, 30819486), (1023, 20546324), (1364, 15409743), (2046, 10273162), (4092, 5136581)]