21816162

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 50889600

約数和(自身を除く): 29073438

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 61, 74, 111, 122, 179, 183, 222, 333, 358, 366, 537, 549, 666, 999, 1074, 1098, 1611, 1647, 1998, 2257, 3222, 3294, 4514, 4833, 6623, 6771, 9666, 10919, 13246, 13542, 19869, 20313, 21838, 32757, 39738, 40626, 59607, 60939, 65514, 98271, 119214, 121878, 178821, 196542, 294813, 357642, 404003, 589626, 808006, 1212009, 2424018, 3636027, 7272054, 10908081, 21816162]

約数ペア:

[(1, 21816162), (2, 10908081), (3, 7272054), (6, 3636027), (9, 2424018), (18, 1212009), (27, 808006), (37, 589626), (54, 404003), (61, 357642), (74, 294813), (111, 196542), (122, 178821), (179, 121878), (183, 119214), (222, 98271), (333, 65514), (358, 60939), (366, 59607), (537, 40626), (549, 39738), (666, 32757), (999, 21838), (1074, 20313), (1098, 19869), (1611, 13542), (1647, 13246), (1998, 10919), (2257, 9666), (3222, 6771), (3294, 6623), (4514, 4833)]