21619656

素因数分解:

$2^3\times 3^3\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1107

約数の個数: 64

約数和(自身を含む): 60710400

約数和(自身を除く): 39090744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 101, 108, 202, 216, 303, 404, 606, 808, 909, 991, 1212, 1818, 1982, 2424, 2727, 2973, 3636, 3964, 5454, 5946, 7272, 7928, 8919, 10908, 11892, 17838, 21816, 23784, 26757, 35676, 53514, 71352, 100091, 107028, 200182, 214056, 300273, 400364, 600546, 800728, 900819, 1201092, 1801638, 2402184, 2702457, 3603276, 5404914, 7206552, 10809828, 21619656]

約数ペア:

[(1, 21619656), (2, 10809828), (3, 7206552), (4, 5404914), (6, 3603276), (8, 2702457), (9, 2402184), (12, 1801638), (18, 1201092), (24, 900819), (27, 800728), (36, 600546), (54, 400364), (72, 300273), (101, 214056), (108, 200182), (202, 107028), (216, 100091), (303, 71352), (404, 53514), (606, 35676), (808, 26757), (909, 23784), (991, 21816), (1212, 17838), (1818, 11892), (1982, 10908), (2424, 8919), (2727, 7928), (2973, 7272), (3636, 5946), (3964, 5454)]