21661128

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^2\times {\mathrm{347}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 64101600

約数和(自身を除く): 42440472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 102, 108, 136, 153, 204, 216, 289, 306, 347, 408, 459, 578, 612, 694, 867, 918, 1041, 1156, 1224, 1388, 1734, 1836, 2082, 2312, 2601, 2776, 3123, 3468, 3672, 4164, 5202, 5899, 6246, 6936, 7803, 8328, 9369, 10404, 11798, 12492, 15606, 17697, 18738, 20808, 23596, 24984, 31212, 35394, 37476, 47192, 53091, 62424, 70788, 74952, 100283, 106182, 141576, 159273, 200566, 212364, 300849, 318546, 401132, 424728, 601698, 637092, 802264, 902547, 1203396, 1274184, 1805094, 2406792, 2707641, 3610188, 5415282, 7220376, 10830564, 21661128]

約数ペア:

[(1, 21661128), (2, 10830564), (3, 7220376), (4, 5415282), (6, 3610188), (8, 2707641), (9, 2406792), (12, 1805094), (17, 1274184), (18, 1203396), (24, 902547), (27, 802264), (34, 637092), (36, 601698), (51, 424728), (54, 401132), (68, 318546), (72, 300849), (102, 212364), (108, 200566), (136, 159273), (153, 141576), (204, 106182), (216, 100283), (289, 74952), (306, 70788), (347, 62424), (408, 53091), (459, 47192), (578, 37476), (612, 35394), (694, 31212), (867, 24984), (918, 23596), (1041, 20808), (1156, 18738), (1224, 17697), (1388, 15606), (1734, 12492), (1836, 11798), (2082, 10404), (2312, 9369), (2601, 8328), (2776, 7803), (3123, 6936), (3468, 6246), (3672, 5899), (4164, 5202)]