21989700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:534

約数の個数: 108

約数和(自身を含む): 70378308

約数和(自身を除く): 48388608

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 53, 60, 75, 90, 100, 106, 150, 159, 180, 212, 225, 265, 300, 318, 450, 461, 477, 530, 636, 795, 900, 922, 954, 1060, 1325, 1383, 1590, 1844, 1908, 2305, 2385, 2650, 2766, 3180, 3975, 4149, 4610, 4770, 5300, 5532, 6915, 7950, 8298, 9220, 9540, 11525, 11925, 13830, 15900, 16596, 20745, 23050, 23850, 24433, 27660, 34575, 41490, 46100, 47700, 48866, 69150, 73299, 82980, 97732, 103725, 122165, 138300, 146598, 207450, 219897, 244330, 293196, 366495, 414900, 439794, 488660, 610825, 732990, 879588, 1099485, 1221650, 1465980, 1832475, 2198970, 2443300, 3664950, 4397940, 5497425, 7329900, 10994850, 21989700]

約数ペア:

[(1, 21989700), (2, 10994850), (3, 7329900), (4, 5497425), (5, 4397940), (6, 3664950), (9, 2443300), (10, 2198970), (12, 1832475), (15, 1465980), (18, 1221650), (20, 1099485), (25, 879588), (30, 732990), (36, 610825), (45, 488660), (50, 439794), (53, 414900), (60, 366495), (75, 293196), (90, 244330), (100, 219897), (106, 207450), (150, 146598), (159, 138300), (180, 122165), (212, 103725), (225, 97732), (265, 82980), (300, 73299), (318, 69150), (450, 48866), (461, 47700), (477, 46100), (530, 41490), (636, 34575), (795, 27660), (900, 24433), (922, 23850), (954, 23050), (1060, 20745), (1325, 16596), (1383, 15900), (1590, 13830), (1844, 11925), (1908, 11525), (2305, 9540), (2385, 9220), (2650, 8298), (2766, 7950), (3180, 6915), (3975, 5532), (4149, 5300), (4610, 4770)]