21251200

素因数分解:

$2^7\times 5^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 54544500

約数和(自身を除く): 33293300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 128, 145, 160, 200, 229, 232, 290, 320, 400, 458, 464, 580, 640, 725, 800, 916, 928, 1145, 1160, 1450, 1600, 1832, 1856, 2290, 2320, 2900, 3200, 3664, 3712, 4580, 4640, 5725, 5800, 6641, 7328, 9160, 9280, 11450, 11600, 13282, 14656, 18320, 18560, 22900, 23200, 26564, 29312, 33205, 36640, 45800, 46400, 53128, 66410, 73280, 91600, 92800, 106256, 132820, 146560, 166025, 183200, 212512, 265640, 332050, 366400, 425024, 531280, 664100, 732800, 850048, 1062560, 1328200, 2125120, 2656400, 4250240, 5312800, 10625600, 21251200]

約数ペア:

[(1, 21251200), (2, 10625600), (4, 5312800), (5, 4250240), (8, 2656400), (10, 2125120), (16, 1328200), (20, 1062560), (25, 850048), (29, 732800), (32, 664100), (40, 531280), (50, 425024), (58, 366400), (64, 332050), (80, 265640), (100, 212512), (116, 183200), (128, 166025), (145, 146560), (160, 132820), (200, 106256), (229, 92800), (232, 91600), (290, 73280), (320, 66410), (400, 53128), (458, 46400), (464, 45800), (580, 36640), (640, 33205), (725, 29312), (800, 26564), (916, 23200), (928, 22900), (1145, 18560), (1160, 18320), (1450, 14656), (1600, 13282), (1832, 11600), (1856, 11450), (2290, 9280), (2320, 9160), (2900, 7328), (3200, 6641), (3664, 5800), (3712, 5725), (4580, 4640)]