21232050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 61222272

約数和(自身を除く): 39990222

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 73, 75, 105, 146, 150, 175, 210, 219, 277, 350, 365, 438, 511, 525, 554, 730, 831, 1022, 1050, 1095, 1385, 1533, 1662, 1825, 1939, 2190, 2555, 2770, 3066, 3650, 3878, 4155, 5110, 5475, 5817, 6925, 7665, 8310, 9695, 10950, 11634, 12775, 13850, 15330, 19390, 20221, 20775, 25550, 29085, 38325, 40442, 41550, 48475, 58170, 60663, 76650, 96950, 101105, 121326, 141547, 145425, 202210, 283094, 290850, 303315, 424641, 505525, 606630, 707735, 849282, 1011050, 1415470, 1516575, 2123205, 3033150, 3538675, 4246410, 7077350, 10616025, 21232050]

約数ペア:

[(1, 21232050), (2, 10616025), (3, 7077350), (5, 4246410), (6, 3538675), (7, 3033150), (10, 2123205), (14, 1516575), (15, 1415470), (21, 1011050), (25, 849282), (30, 707735), (35, 606630), (42, 505525), (50, 424641), (70, 303315), (73, 290850), (75, 283094), (105, 202210), (146, 145425), (150, 141547), (175, 121326), (210, 101105), (219, 96950), (277, 76650), (350, 60663), (365, 58170), (438, 48475), (511, 41550), (525, 40442), (554, 38325), (730, 29085), (831, 25550), (1022, 20775), (1050, 20221), (1095, 19390), (1385, 15330), (1533, 13850), (1662, 12775), (1825, 11634), (1939, 10950), (2190, 9695), (2555, 8310), (2770, 7665), (3066, 6925), (3650, 5817), (3878, 5475), (4155, 5110)]