21591036

素因数分解:

$2^2\times 3^5\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 57431920

約数和(自身を除く): 35840884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 97, 108, 162, 194, 229, 243, 291, 324, 388, 458, 486, 582, 687, 873, 916, 972, 1164, 1374, 1746, 2061, 2619, 2748, 3492, 4122, 5238, 6183, 7857, 8244, 10476, 12366, 15714, 18549, 22213, 23571, 24732, 31428, 37098, 44426, 47142, 55647, 66639, 74196, 88852, 94284, 111294, 133278, 199917, 222588, 266556, 399834, 599751, 799668, 1199502, 1799253, 2399004, 3598506, 5397759, 7197012, 10795518, 21591036]

約数ペア:

[(1, 21591036), (2, 10795518), (3, 7197012), (4, 5397759), (6, 3598506), (9, 2399004), (12, 1799253), (18, 1199502), (27, 799668), (36, 599751), (54, 399834), (81, 266556), (97, 222588), (108, 199917), (162, 133278), (194, 111294), (229, 94284), (243, 88852), (291, 74196), (324, 66639), (388, 55647), (458, 47142), (486, 44426), (582, 37098), (687, 31428), (873, 24732), (916, 23571), (972, 22213), (1164, 18549), (1374, 15714), (1746, 12366), (2061, 10476), (2619, 8244), (2748, 7857), (3492, 6183), (4122, 5238)]