21098352

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1342

約数の個数: 80

約数和(自身を含む): 61424640

約数和(自身を除く): 40326288

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1289, 1364, 1488, 2046, 2578, 2728, 3867, 4092, 5156, 5456, 7734, 8184, 10312, 14179, 15468, 16368, 20624, 28358, 30936, 39959, 42537, 56716, 61872, 79918, 85074, 113432, 119877, 159836, 170148, 226864, 239754, 319672, 340296, 439549, 479508, 639344, 680592, 879098, 959016, 1318647, 1758196, 1918032, 2637294, 3516392, 5274588, 7032784, 10549176, 21098352]

約数ペア:

[(1, 21098352), (2, 10549176), (3, 7032784), (4, 5274588), (6, 3516392), (8, 2637294), (11, 1918032), (12, 1758196), (16, 1318647), (22, 959016), (24, 879098), (31, 680592), (33, 639344), (44, 479508), (48, 439549), (62, 340296), (66, 319672), (88, 239754), (93, 226864), (124, 170148), (132, 159836), (176, 119877), (186, 113432), (248, 85074), (264, 79918), (341, 61872), (372, 56716), (496, 42537), (528, 39959), (682, 30936), (744, 28358), (1023, 20624), (1289, 16368), (1364, 15468), (1488, 14179), (2046, 10312), (2578, 8184), (2728, 7734), (3867, 5456), (4092, 5156)]