21782100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4271}}^1$

素因数の和:4305

約数の個数: 72

約数和(自身を含む): 66745728

約数和(自身を除く): 44963628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4271, 5100, 8542, 12813, 17084, 21355, 25626, 42710, 51252, 64065, 72607, 85420, 106775, 128130, 145214, 213550, 217821, 256260, 290428, 320325, 363035, 427100, 435642, 640650, 726070, 871284, 1089105, 1281300, 1452140, 1815175, 2178210, 3630350, 4356420, 5445525, 7260700, 10891050, 21782100]

約数ペア:

[(1, 21782100), (2, 10891050), (3, 7260700), (4, 5445525), (5, 4356420), (6, 3630350), (10, 2178210), (12, 1815175), (15, 1452140), (17, 1281300), (20, 1089105), (25, 871284), (30, 726070), (34, 640650), (50, 435642), (51, 427100), (60, 363035), (68, 320325), (75, 290428), (85, 256260), (100, 217821), (102, 213550), (150, 145214), (170, 128130), (204, 106775), (255, 85420), (300, 72607), (340, 64065), (425, 51252), (510, 42710), (850, 25626), (1020, 21355), (1275, 17084), (1700, 12813), (2550, 8542), (4271, 5100)]