21412000

素因数分解:

$2^5\times 5^3\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 54132624

約数和(自身を除く): 32720624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 101, 106, 125, 160, 200, 202, 212, 250, 265, 400, 404, 424, 500, 505, 530, 800, 808, 848, 1000, 1010, 1060, 1325, 1616, 1696, 2000, 2020, 2120, 2525, 2650, 3232, 4000, 4040, 4240, 5050, 5300, 5353, 6625, 8080, 8480, 10100, 10600, 10706, 12625, 13250, 16160, 20200, 21200, 21412, 25250, 26500, 26765, 40400, 42400, 42824, 50500, 53000, 53530, 80800, 85648, 101000, 106000, 107060, 133825, 171296, 202000, 212000, 214120, 267650, 404000, 428240, 535300, 669125, 856480, 1070600, 1338250, 2141200, 2676500, 4282400, 5353000, 10706000, 21412000]

約数ペア:

[(1, 21412000), (2, 10706000), (4, 5353000), (5, 4282400), (8, 2676500), (10, 2141200), (16, 1338250), (20, 1070600), (25, 856480), (32, 669125), (40, 535300), (50, 428240), (53, 404000), (80, 267650), (100, 214120), (101, 212000), (106, 202000), (125, 171296), (160, 133825), (200, 107060), (202, 106000), (212, 101000), (250, 85648), (265, 80800), (400, 53530), (404, 53000), (424, 50500), (500, 42824), (505, 42400), (530, 40400), (800, 26765), (808, 26500), (848, 25250), (1000, 21412), (1010, 21200), (1060, 20200), (1325, 16160), (1616, 13250), (1696, 12625), (2000, 10706), (2020, 10600), (2120, 10100), (2525, 8480), (2650, 8080), (3232, 6625), (4000, 5353), (4040, 5300), (4240, 5050)]