21234510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 61158240

約数和(自身を除く): 39923730

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 89, 90, 99, 110, 165, 178, 198, 241, 267, 330, 445, 482, 495, 534, 723, 801, 890, 979, 990, 1205, 1335, 1446, 1602, 1958, 2169, 2410, 2651, 2670, 2937, 3615, 4005, 4338, 4895, 5302, 5874, 7230, 7953, 8010, 8811, 9790, 10845, 13255, 14685, 15906, 17622, 21449, 21690, 23859, 26510, 29370, 39765, 42898, 44055, 47718, 64347, 79530, 88110, 107245, 119295, 128694, 193041, 214490, 235939, 238590, 321735, 386082, 471878, 643470, 707817, 965205, 1179695, 1415634, 1930410, 2123451, 2359390, 3539085, 4246902, 7078170, 10617255, 21234510]

約数ペア:

[(1, 21234510), (2, 10617255), (3, 7078170), (5, 4246902), (6, 3539085), (9, 2359390), (10, 2123451), (11, 1930410), (15, 1415634), (18, 1179695), (22, 965205), (30, 707817), (33, 643470), (45, 471878), (55, 386082), (66, 321735), (89, 238590), (90, 235939), (99, 214490), (110, 193041), (165, 128694), (178, 119295), (198, 107245), (241, 88110), (267, 79530), (330, 64347), (445, 47718), (482, 44055), (495, 42898), (534, 39765), (723, 29370), (801, 26510), (890, 23859), (979, 21690), (990, 21449), (1205, 17622), (1335, 15906), (1446, 14685), (1602, 13255), (1958, 10845), (2169, 9790), (2410, 8811), (2651, 8010), (2670, 7953), (2937, 7230), (3615, 5874), (4005, 5302), (4338, 4895)]