21749130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:696

約数の個数: 96

約数和(自身を含む): 63095760

約数和(自身を除く): 41346630

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 29, 30, 39, 45, 58, 65, 78, 87, 90, 117, 130, 145, 174, 195, 234, 261, 290, 377, 390, 435, 522, 585, 641, 754, 870, 1131, 1170, 1282, 1305, 1885, 1923, 2262, 2610, 3205, 3393, 3770, 3846, 5655, 5769, 6410, 6786, 8333, 9615, 11310, 11538, 16666, 16965, 18589, 19230, 24999, 28845, 33930, 37178, 41665, 49998, 55767, 57690, 74997, 83330, 92945, 111534, 124995, 149994, 167301, 185890, 241657, 249990, 278835, 334602, 374985, 483314, 557670, 724971, 749970, 836505, 1208285, 1449942, 1673010, 2174913, 2416570, 3624855, 4349826, 7249710, 10874565, 21749130]

約数ペア:

[(1, 21749130), (2, 10874565), (3, 7249710), (5, 4349826), (6, 3624855), (9, 2416570), (10, 2174913), (13, 1673010), (15, 1449942), (18, 1208285), (26, 836505), (29, 749970), (30, 724971), (39, 557670), (45, 483314), (58, 374985), (65, 334602), (78, 278835), (87, 249990), (90, 241657), (117, 185890), (130, 167301), (145, 149994), (174, 124995), (195, 111534), (234, 92945), (261, 83330), (290, 74997), (377, 57690), (390, 55767), (435, 49998), (522, 41665), (585, 37178), (641, 33930), (754, 28845), (870, 24999), (1131, 19230), (1170, 18589), (1282, 16965), (1305, 16666), (1885, 11538), (1923, 11310), (2262, 9615), (2610, 8333), (3205, 6786), (3393, 6410), (3770, 5769), (3846, 5655)]