21901104

素因数分解:

$2^4\times 3^5\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 65537472

約数和(自身を除く): 43636368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 81, 86, 108, 129, 131, 144, 162, 172, 216, 243, 258, 262, 324, 344, 387, 393, 432, 486, 516, 524, 648, 688, 774, 786, 972, 1032, 1048, 1161, 1179, 1296, 1548, 1572, 1944, 2064, 2096, 2322, 2358, 3096, 3144, 3483, 3537, 3888, 4644, 4716, 5633, 6192, 6288, 6966, 7074, 9288, 9432, 10449, 10611, 11266, 13932, 14148, 16899, 18576, 18864, 20898, 21222, 22532, 27864, 28296, 31833, 33798, 41796, 42444, 45064, 50697, 55728, 56592, 63666, 67596, 83592, 84888, 90128, 101394, 127332, 135192, 152091, 167184, 169776, 202788, 254664, 270384, 304182, 405576, 456273, 509328, 608364, 811152, 912546, 1216728, 1368819, 1825092, 2433456, 2737638, 3650184, 5475276, 7300368, 10950552, 21901104]

約数ペア:

[(1, 21901104), (2, 10950552), (3, 7300368), (4, 5475276), (6, 3650184), (8, 2737638), (9, 2433456), (12, 1825092), (16, 1368819), (18, 1216728), (24, 912546), (27, 811152), (36, 608364), (43, 509328), (48, 456273), (54, 405576), (72, 304182), (81, 270384), (86, 254664), (108, 202788), (129, 169776), (131, 167184), (144, 152091), (162, 135192), (172, 127332), (216, 101394), (243, 90128), (258, 84888), (262, 83592), (324, 67596), (344, 63666), (387, 56592), (393, 55728), (432, 50697), (486, 45064), (516, 42444), (524, 41796), (648, 33798), (688, 31833), (774, 28296), (786, 27864), (972, 22532), (1032, 21222), (1048, 20898), (1161, 18864), (1179, 18576), (1296, 16899), (1548, 14148), (1572, 13932), (1944, 11266), (2064, 10611), (2096, 10449), (2322, 9432), (2358, 9288), (3096, 7074), (3144, 6966), (3483, 6288), (3537, 6192), (3888, 5633), (4644, 4716)]