21013320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4271}}^1$

素因数の和:4326

約数の個数: 64

約数和(自身を含む): 64592640

約数和(自身を除く): 43579320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4271, 4920, 8542, 12813, 17084, 21355, 25626, 34168, 42710, 51252, 64065, 85420, 102504, 128130, 170840, 175111, 256260, 350222, 512520, 525333, 700444, 875555, 1050666, 1400888, 1751110, 2101332, 2626665, 3502220, 4202664, 5253330, 7004440, 10506660, 21013320]

約数ペア:

[(1, 21013320), (2, 10506660), (3, 7004440), (4, 5253330), (5, 4202664), (6, 3502220), (8, 2626665), (10, 2101332), (12, 1751110), (15, 1400888), (20, 1050666), (24, 875555), (30, 700444), (40, 525333), (41, 512520), (60, 350222), (82, 256260), (120, 175111), (123, 170840), (164, 128130), (205, 102504), (246, 85420), (328, 64065), (410, 51252), (492, 42710), (615, 34168), (820, 25626), (984, 21355), (1230, 17084), (1640, 12813), (2460, 8542), (4271, 4920)]