21099690

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:498

約数の個数: 96

約数和(自身を含む): 60016320

約数和(自身を除く): 38916630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 243, 270, 285, 342, 405, 457, 486, 513, 570, 810, 855, 914, 1026, 1215, 1371, 1539, 1710, 2285, 2430, 2565, 2742, 3078, 4113, 4570, 4617, 5130, 6855, 7695, 8226, 8683, 9234, 12339, 13710, 15390, 17366, 20565, 23085, 24678, 26049, 37017, 41130, 43415, 46170, 52098, 61695, 74034, 78147, 86830, 111051, 123390, 130245, 156294, 185085, 222102, 234441, 260490, 370170, 390735, 468882, 555255, 703323, 781470, 1110510, 1172205, 1406646, 2109969, 2344410, 3516615, 4219938, 7033230, 10549845, 21099690]

約数ペア:

[(1, 21099690), (2, 10549845), (3, 7033230), (5, 4219938), (6, 3516615), (9, 2344410), (10, 2109969), (15, 1406646), (18, 1172205), (19, 1110510), (27, 781470), (30, 703323), (38, 555255), (45, 468882), (54, 390735), (57, 370170), (81, 260490), (90, 234441), (95, 222102), (114, 185085), (135, 156294), (162, 130245), (171, 123390), (190, 111051), (243, 86830), (270, 78147), (285, 74034), (342, 61695), (405, 52098), (457, 46170), (486, 43415), (513, 41130), (570, 37017), (810, 26049), (855, 24678), (914, 23085), (1026, 20565), (1215, 17366), (1371, 15390), (1539, 13710), (1710, 12339), (2285, 9234), (2430, 8683), (2565, 8226), (2742, 7695), (3078, 6855), (4113, 5130), (4570, 4617)]