21417396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1783}}^1$

素因数の和:1821

約数の個数: 96

約数和(自身を含む): 67135488

約数和(自身を除く): 45718092

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1716, 1783, 2002, 3003, 3566, 4004, 5349, 6006, 7132, 10698, 12012, 12481, 19613, 21396, 23179, 24962, 37443, 39226, 46358, 49924, 58839, 69537, 74886, 78452, 92716, 117678, 137291, 139074, 149772, 162253, 235356, 254969, 274582, 278148, 324506, 411873, 486759, 509938, 549164, 649012, 764907, 823746, 973518, 1019876, 1529814, 1647492, 1784783, 1947036, 3059628, 3569566, 5354349, 7139132, 10708698, 21417396]

約数ペア:

[(1, 21417396), (2, 10708698), (3, 7139132), (4, 5354349), (6, 3569566), (7, 3059628), (11, 1947036), (12, 1784783), (13, 1647492), (14, 1529814), (21, 1019876), (22, 973518), (26, 823746), (28, 764907), (33, 649012), (39, 549164), (42, 509938), (44, 486759), (52, 411873), (66, 324506), (77, 278148), (78, 274582), (84, 254969), (91, 235356), (132, 162253), (143, 149772), (154, 139074), (156, 137291), (182, 117678), (231, 92716), (273, 78452), (286, 74886), (308, 69537), (364, 58839), (429, 49924), (462, 46358), (546, 39226), (572, 37443), (858, 24962), (924, 23179), (1001, 21396), (1092, 19613), (1716, 12481), (1783, 12012), (2002, 10698), (3003, 7132), (3566, 6006), (4004, 5349)]