21872400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1657}}^1$

素因数の和:1689

約数の個数: 120

約数和(自身を含む): 76480224

約数和(自身を除く): 54607824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 100, 110, 120, 132, 150, 165, 176, 200, 220, 240, 264, 275, 300, 330, 400, 440, 528, 550, 600, 660, 825, 880, 1100, 1200, 1320, 1650, 1657, 2200, 2640, 3300, 3314, 4400, 4971, 6600, 6628, 8285, 9942, 13200, 13256, 16570, 18227, 19884, 24855, 26512, 33140, 36454, 39768, 41425, 49710, 54681, 66280, 72908, 79536, 82850, 91135, 99420, 109362, 124275, 132560, 145816, 165700, 182270, 198840, 218724, 248550, 273405, 291632, 331400, 364540, 397680, 437448, 455675, 497100, 546810, 662800, 729080, 874896, 911350, 994200, 1093620, 1367025, 1458160, 1822700, 1988400, 2187240, 2734050, 3645400, 4374480, 5468100, 7290800, 10936200, 21872400]

約数ペア:

[(1, 21872400), (2, 10936200), (3, 7290800), (4, 5468100), (5, 4374480), (6, 3645400), (8, 2734050), (10, 2187240), (11, 1988400), (12, 1822700), (15, 1458160), (16, 1367025), (20, 1093620), (22, 994200), (24, 911350), (25, 874896), (30, 729080), (33, 662800), (40, 546810), (44, 497100), (48, 455675), (50, 437448), (55, 397680), (60, 364540), (66, 331400), (75, 291632), (80, 273405), (88, 248550), (100, 218724), (110, 198840), (120, 182270), (132, 165700), (150, 145816), (165, 132560), (176, 124275), (200, 109362), (220, 99420), (240, 91135), (264, 82850), (275, 79536), (300, 72908), (330, 66280), (400, 54681), (440, 49710), (528, 41425), (550, 39768), (600, 36454), (660, 33140), (825, 26512), (880, 24855), (1100, 19884), (1200, 18227), (1320, 16570), (1650, 13256), (1657, 13200), (2200, 9942), (2640, 8285), (3300, 6628), (3314, 6600), (4400, 4971)]