21813516

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{109}}^2$

素因数の和:248

約数の個数: 72

約数和(自身を含む): 60434640

約数和(自身を除く): 38621124

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 109, 153, 204, 218, 306, 327, 436, 459, 612, 654, 918, 981, 1308, 1836, 1853, 1962, 2943, 3706, 3924, 5559, 5886, 7412, 11118, 11772, 11881, 16677, 22236, 23762, 33354, 35643, 47524, 50031, 66708, 71286, 100062, 106929, 142572, 200124, 201977, 213858, 320787, 403954, 427716, 605931, 641574, 807908, 1211862, 1283148, 1817793, 2423724, 3635586, 5453379, 7271172, 10906758, 21813516]

約数ペア:

[(1, 21813516), (2, 10906758), (3, 7271172), (4, 5453379), (6, 3635586), (9, 2423724), (12, 1817793), (17, 1283148), (18, 1211862), (27, 807908), (34, 641574), (36, 605931), (51, 427716), (54, 403954), (68, 320787), (102, 213858), (108, 201977), (109, 200124), (153, 142572), (204, 106929), (218, 100062), (306, 71286), (327, 66708), (436, 50031), (459, 47524), (612, 35643), (654, 33354), (918, 23762), (981, 22236), (1308, 16677), (1836, 11881), (1853, 11772), (1962, 11118), (2943, 7412), (3706, 5886), (3924, 5559)]