21378906900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1827257}}^1$

素因数の和:1827290

約数の個数: 108

約数和(自身を含む): 72165727452

約数和(自身を除く): 50786820552

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1950, 2340, 2925, 3900, 5850, 11700, 1827257, 3654514, 5481771, 7309028, 9136285, 10963542, 16445313, 18272570, 21927084, 23754341, 27408855, 32890626, 36545140, 45681425, 47508682, 54817710, 65781252, 71263023, 82226565, 91362850, 95017364, 109635420, 118771705, 137044275, 142526046, 164453130, 182725700, 213789069, 237543410, 274088550, 285052092, 328906260, 356315115, 411132825, 427578138, 475086820, 548177100, 593858525, 712630230, 822265650, 855156276, 1068945345, 1187717050, 1425260460, 1644531300, 1781575575, 2137890690, 2375434100, 3563151150, 4275781380, 5344726725, 7126302300, 10689453450, 21378906900]

約数ペア:

[(1, 21378906900), (2, 10689453450), (3, 7126302300), (4, 5344726725), (5, 4275781380), (6, 3563151150), (9, 2375434100), (10, 2137890690), (12, 1781575575), (13, 1644531300), (15, 1425260460), (18, 1187717050), (20, 1068945345), (25, 855156276), (26, 822265650), (30, 712630230), (36, 593858525), (39, 548177100), (45, 475086820), (50, 427578138), (52, 411132825), (60, 356315115), (65, 328906260), (75, 285052092), (78, 274088550), (90, 237543410), (100, 213789069), (117, 182725700), (130, 164453130), (150, 142526046), (156, 137044275), (180, 118771705), (195, 109635420), (225, 95017364), (234, 91362850), (260, 82226565), (300, 71263023), (325, 65781252), (390, 54817710), (450, 47508682), (468, 45681425), (585, 36545140), (650, 32890626), (780, 27408855), (900, 23754341), (975, 21927084), (1170, 18272570), (1300, 16445313), (1950, 10963542), (2340, 9136285), (2925, 7309028), (3900, 5481771), (5850, 3654514), (11700, 1827257)]