21496826844

素因数分解:

$2^2\times 3^5\times {\mathrm{419}}^1\times {\mathrm{52783}}^1$

素因数の和:53221

約数の個数: 72

約数和(自身を含む): 56487325440

約数和(自身を除く): 34990498596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 419, 486, 838, 972, 1257, 1676, 2514, 3771, 5028, 7542, 11313, 15084, 22626, 33939, 45252, 52783, 67878, 101817, 105566, 135756, 158349, 203634, 211132, 316698, 407268, 475047, 633396, 950094, 1425141, 1900188, 2850282, 4275423, 5700564, 8550846, 12826269, 17101692, 22116077, 25652538, 44232154, 51305076, 66348231, 88464308, 132696462, 199044693, 265392924, 398089386, 597134079, 796178772, 1194268158, 1791402237, 2388536316, 3582804474, 5374206711, 7165608948, 10748413422, 21496826844]

約数ペア:

[(1, 21496826844), (2, 10748413422), (3, 7165608948), (4, 5374206711), (6, 3582804474), (9, 2388536316), (12, 1791402237), (18, 1194268158), (27, 796178772), (36, 597134079), (54, 398089386), (81, 265392924), (108, 199044693), (162, 132696462), (243, 88464308), (324, 66348231), (419, 51305076), (486, 44232154), (838, 25652538), (972, 22116077), (1257, 17101692), (1676, 12826269), (2514, 8550846), (3771, 5700564), (5028, 4275423), (7542, 2850282), (11313, 1900188), (15084, 1425141), (22626, 950094), (33939, 633396), (45252, 475047), (52783, 407268), (67878, 316698), (101817, 211132), (105566, 203634), (135756, 158349)]