21058992

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 63835200

約数和(自身を除く): 42776208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 43, 48, 57, 72, 76, 86, 114, 129, 144, 152, 171, 172, 179, 228, 258, 304, 342, 344, 358, 387, 456, 516, 537, 684, 688, 716, 774, 817, 912, 1032, 1074, 1368, 1432, 1548, 1611, 1634, 2064, 2148, 2451, 2736, 2864, 3096, 3222, 3268, 3401, 4296, 4902, 6192, 6444, 6536, 6802, 7353, 7697, 8592, 9804, 10203, 12888, 13072, 13604, 14706, 15394, 19608, 20406, 23091, 25776, 27208, 29412, 30609, 30788, 39216, 40812, 46182, 54416, 58824, 61218, 61576, 69273, 81624, 92364, 117648, 122436, 123152, 138546, 146243, 163248, 184728, 244872, 277092, 292486, 369456, 438729, 489744, 554184, 584972, 877458, 1108368, 1169944, 1316187, 1754916, 2339888, 2632374, 3509832, 5264748, 7019664, 10529496, 21058992]

約数ペア:

[(1, 21058992), (2, 10529496), (3, 7019664), (4, 5264748), (6, 3509832), (8, 2632374), (9, 2339888), (12, 1754916), (16, 1316187), (18, 1169944), (19, 1108368), (24, 877458), (36, 584972), (38, 554184), (43, 489744), (48, 438729), (57, 369456), (72, 292486), (76, 277092), (86, 244872), (114, 184728), (129, 163248), (144, 146243), (152, 138546), (171, 123152), (172, 122436), (179, 117648), (228, 92364), (258, 81624), (304, 69273), (342, 61576), (344, 61218), (358, 58824), (387, 54416), (456, 46182), (516, 40812), (537, 39216), (684, 30788), (688, 30609), (716, 29412), (774, 27208), (817, 25776), (912, 23091), (1032, 20406), (1074, 19608), (1368, 15394), (1432, 14706), (1548, 13604), (1611, 13072), (1634, 12888), (2064, 10203), (2148, 9804), (2451, 8592), (2736, 7697), (2864, 7353), (3096, 6802), (3222, 6536), (3268, 6444), (3401, 6192), (4296, 4902)]