21060144

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1229}}^1$

素因数の和:1267

約数の個数: 120

約数和(自身を含む): 71379360

約数和(自身を除く): 50319216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 34, 36, 42, 48, 51, 56, 63, 68, 72, 84, 102, 112, 119, 126, 136, 144, 153, 168, 204, 238, 252, 272, 306, 336, 357, 408, 476, 504, 612, 714, 816, 952, 1008, 1071, 1224, 1229, 1428, 1904, 2142, 2448, 2458, 2856, 3687, 4284, 4916, 5712, 7374, 8568, 8603, 9832, 11061, 14748, 17136, 17206, 19664, 20893, 22122, 25809, 29496, 34412, 41786, 44244, 51618, 58992, 62679, 68824, 77427, 83572, 88488, 103236, 125358, 137648, 146251, 154854, 167144, 176976, 188037, 206472, 250716, 292502, 309708, 334288, 376074, 412944, 438753, 501432, 585004, 619416, 752148, 877506, 1002864, 1170008, 1238832, 1316259, 1504296, 1755012, 2340016, 2632518, 3008592, 3510024, 5265036, 7020048, 10530072, 21060144]

約数ペア:

[(1, 21060144), (2, 10530072), (3, 7020048), (4, 5265036), (6, 3510024), (7, 3008592), (8, 2632518), (9, 2340016), (12, 1755012), (14, 1504296), (16, 1316259), (17, 1238832), (18, 1170008), (21, 1002864), (24, 877506), (28, 752148), (34, 619416), (36, 585004), (42, 501432), (48, 438753), (51, 412944), (56, 376074), (63, 334288), (68, 309708), (72, 292502), (84, 250716), (102, 206472), (112, 188037), (119, 176976), (126, 167144), (136, 154854), (144, 146251), (153, 137648), (168, 125358), (204, 103236), (238, 88488), (252, 83572), (272, 77427), (306, 68824), (336, 62679), (357, 58992), (408, 51618), (476, 44244), (504, 41786), (612, 34412), (714, 29496), (816, 25809), (952, 22122), (1008, 20893), (1071, 19664), (1224, 17206), (1229, 17136), (1428, 14748), (1904, 11061), (2142, 9832), (2448, 8603), (2458, 8568), (2856, 7374), (3687, 5712), (4284, 4916)]