21222648

素因数分解:

$2^3\times 3^7\times {\mathrm{1213}}^1$

素因数の和:1240

約数の個数: 64

約数和(自身を含む): 59728800

約数和(自身を除く): 38506152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1213, 1458, 1944, 2187, 2426, 2916, 3639, 4374, 4852, 5832, 7278, 8748, 9704, 10917, 14556, 17496, 21834, 29112, 32751, 43668, 65502, 87336, 98253, 131004, 196506, 262008, 294759, 393012, 589518, 786024, 884277, 1179036, 1768554, 2358072, 2652831, 3537108, 5305662, 7074216, 10611324, 21222648]

約数ペア:

[(1, 21222648), (2, 10611324), (3, 7074216), (4, 5305662), (6, 3537108), (8, 2652831), (9, 2358072), (12, 1768554), (18, 1179036), (24, 884277), (27, 786024), (36, 589518), (54, 393012), (72, 294759), (81, 262008), (108, 196506), (162, 131004), (216, 98253), (243, 87336), (324, 65502), (486, 43668), (648, 32751), (729, 29112), (972, 21834), (1213, 17496), (1458, 14556), (1944, 10917), (2187, 9704), (2426, 8748), (2916, 7278), (3639, 5832), (4374, 4852)]