21211050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20201}}^1$

素因数の和:20223

約数の個数: 48

約数和(自身を含む): 60121152

約数和(自身を除く): 38910102

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20201, 40402, 60603, 101005, 121206, 141407, 202010, 282814, 303015, 424221, 505025, 606030, 707035, 848442, 1010050, 1414070, 1515075, 2121105, 3030150, 3535175, 4242210, 7070350, 10605525, 21211050]

約数ペア:

[(1, 21211050), (2, 10605525), (3, 7070350), (5, 4242210), (6, 3535175), (7, 3030150), (10, 2121105), (14, 1515075), (15, 1414070), (21, 1010050), (25, 848442), (30, 707035), (35, 606030), (42, 505025), (50, 424221), (70, 303015), (75, 282814), (105, 202010), (150, 141407), (175, 121206), (210, 101005), (350, 60603), (525, 40402), (1050, 20201)]