21622230

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4903}}^1$

素因数の和:4930

約数の個数: 72

約数和(自身を含む): 65409552

約数和(自身を除く): 43787322

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 4903, 9806, 14709, 24515, 29418, 34321, 44127, 49030, 68642, 73545, 88254, 102963, 147090, 171605, 205926, 220635, 240247, 308889, 343210, 441270, 480494, 514815, 617778, 720741, 1029630, 1201235, 1441482, 1544445, 2162223, 2402470, 3088890, 3603705, 4324446, 7207410, 10811115, 21622230]

約数ペア:

[(1, 21622230), (2, 10811115), (3, 7207410), (5, 4324446), (6, 3603705), (7, 3088890), (9, 2402470), (10, 2162223), (14, 1544445), (15, 1441482), (18, 1201235), (21, 1029630), (30, 720741), (35, 617778), (42, 514815), (45, 480494), (49, 441270), (63, 343210), (70, 308889), (90, 240247), (98, 220635), (105, 205926), (126, 171605), (147, 147090), (210, 102963), (245, 88254), (294, 73545), (315, 68642), (441, 49030), (490, 44127), (630, 34321), (735, 29418), (882, 24515), (1470, 14709), (2205, 9806), (4410, 4903)]