221572764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{51721}}^1$

素因数の和:51755

約数の個数: 72

約数和(自身を含む): 677765088

約数和(自身を除く): 456192324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 51721, 103442, 155163, 206884, 310326, 362047, 465489, 620652, 724094, 879257, 930978, 1086141, 1448188, 1758514, 1861956, 2172282, 2637771, 3258423, 3517028, 4344564, 5275542, 6154799, 6516846, 7913313, 10551084, 12309598, 13033692, 15826626, 18464397, 24619196, 31653252, 36928794, 55393191, 73857588, 110786382, 221572764]

約数ペア:

[(1, 221572764), (2, 110786382), (3, 73857588), (4, 55393191), (6, 36928794), (7, 31653252), (9, 24619196), (12, 18464397), (14, 15826626), (17, 13033692), (18, 12309598), (21, 10551084), (28, 7913313), (34, 6516846), (36, 6154799), (42, 5275542), (51, 4344564), (63, 3517028), (68, 3258423), (84, 2637771), (102, 2172282), (119, 1861956), (126, 1758514), (153, 1448188), (204, 1086141), (238, 930978), (252, 879257), (306, 724094), (357, 620652), (476, 465489), (612, 362047), (714, 310326), (1071, 206884), (1428, 155163), (2142, 103442), (4284, 51721)]