21530400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{8971}}^1$

素因数の和:8994

約数の個数: 72

約数和(自身を含む): 70089264

約数和(自身を除く): 48558864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400, 8971, 17942, 26913, 35884, 44855, 53826, 71768, 89710, 107652, 134565, 143536, 179420, 215304, 224275, 269130, 287072, 358840, 430608, 448550, 538260, 672825, 717680, 861216, 897100, 1076520, 1345650, 1435360, 1794200, 2153040, 2691300, 3588400, 4306080, 5382600, 7176800, 10765200, 21530400]

約数ペア:

[(1, 21530400), (2, 10765200), (3, 7176800), (4, 5382600), (5, 4306080), (6, 3588400), (8, 2691300), (10, 2153040), (12, 1794200), (15, 1435360), (16, 1345650), (20, 1076520), (24, 897100), (25, 861216), (30, 717680), (32, 672825), (40, 538260), (48, 448550), (50, 430608), (60, 358840), (75, 287072), (80, 269130), (96, 224275), (100, 215304), (120, 179420), (150, 143536), (160, 134565), (200, 107652), (240, 89710), (300, 71768), (400, 53826), (480, 44855), (600, 35884), (800, 26913), (1200, 17942), (2400, 8971)]