21429384

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 57853440

約数和(自身を除く): 36424056

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 53, 68, 102, 106, 136, 159, 204, 212, 318, 408, 424, 636, 901, 991, 1272, 1802, 1982, 2703, 2973, 3604, 3964, 5406, 5946, 7208, 7928, 10812, 11892, 16847, 21624, 23784, 33694, 50541, 52523, 67388, 101082, 105046, 134776, 157569, 202164, 210092, 315138, 404328, 420184, 630276, 892891, 1260552, 1785782, 2678673, 3571564, 5357346, 7143128, 10714692, 21429384]

約数ペア:

[(1, 21429384), (2, 10714692), (3, 7143128), (4, 5357346), (6, 3571564), (8, 2678673), (12, 1785782), (17, 1260552), (24, 892891), (34, 630276), (51, 420184), (53, 404328), (68, 315138), (102, 210092), (106, 202164), (136, 157569), (159, 134776), (204, 105046), (212, 101082), (318, 67388), (408, 52523), (424, 50541), (636, 33694), (901, 23784), (991, 21624), (1272, 16847), (1802, 11892), (1982, 10812), (2703, 7928), (2973, 7208), (3604, 5946), (3964, 5406)]