21219822

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 53071200

約数和(自身を除く): 31851378

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 39, 53, 58, 59, 78, 87, 106, 117, 118, 159, 174, 177, 234, 261, 318, 354, 377, 477, 522, 531, 689, 754, 767, 954, 1062, 1131, 1378, 1534, 1537, 1711, 2067, 2262, 2301, 3074, 3127, 3393, 3422, 4134, 4602, 4611, 5133, 6201, 6254, 6786, 6903, 9222, 9381, 10266, 12402, 13806, 13833, 15399, 18762, 19981, 22243, 27666, 28143, 30798, 39962, 40651, 44486, 56286, 59943, 66729, 81302, 90683, 119886, 121953, 133458, 179829, 181366, 200187, 243906, 272049, 359658, 365859, 400374, 544098, 731718, 816147, 1178879, 1632294, 2357758, 3536637, 7073274, 10609911, 21219822]

約数ペア:

[(1, 21219822), (2, 10609911), (3, 7073274), (6, 3536637), (9, 2357758), (13, 1632294), (18, 1178879), (26, 816147), (29, 731718), (39, 544098), (53, 400374), (58, 365859), (59, 359658), (78, 272049), (87, 243906), (106, 200187), (117, 181366), (118, 179829), (159, 133458), (174, 121953), (177, 119886), (234, 90683), (261, 81302), (318, 66729), (354, 59943), (377, 56286), (477, 44486), (522, 40651), (531, 39962), (689, 30798), (754, 28143), (767, 27666), (954, 22243), (1062, 19981), (1131, 18762), (1378, 15399), (1534, 13833), (1537, 13806), (1711, 12402), (2067, 10266), (2262, 9381), (2301, 9222), (3074, 6903), (3127, 6786), (3393, 6254), (3422, 6201), (4134, 5133), (4602, 4611)]