21383586

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 57283200

約数和(自身を除く): 35899614

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 67, 102, 119, 126, 134, 149, 153, 201, 238, 298, 306, 357, 402, 447, 469, 603, 714, 894, 938, 1043, 1071, 1139, 1206, 1341, 1407, 2086, 2142, 2278, 2533, 2682, 2814, 3129, 3417, 4221, 5066, 6258, 6834, 7599, 7973, 8442, 9387, 9983, 10251, 15198, 15946, 17731, 18774, 19966, 20502, 22797, 23919, 29949, 35462, 45594, 47838, 53193, 59898, 69881, 71757, 89847, 106386, 139762, 143514, 159579, 169711, 179694, 209643, 319158, 339422, 419286, 509133, 628929, 1018266, 1187977, 1257858, 1527399, 2375954, 3054798, 3563931, 7127862, 10691793, 21383586]

約数ペア:

[(1, 21383586), (2, 10691793), (3, 7127862), (6, 3563931), (7, 3054798), (9, 2375954), (14, 1527399), (17, 1257858), (18, 1187977), (21, 1018266), (34, 628929), (42, 509133), (51, 419286), (63, 339422), (67, 319158), (102, 209643), (119, 179694), (126, 169711), (134, 159579), (149, 143514), (153, 139762), (201, 106386), (238, 89847), (298, 71757), (306, 69881), (357, 59898), (402, 53193), (447, 47838), (469, 45594), (603, 35462), (714, 29949), (894, 23919), (938, 22797), (1043, 20502), (1071, 19966), (1139, 18774), (1206, 17731), (1341, 15946), (1407, 15198), (2086, 10251), (2142, 9983), (2278, 9387), (2533, 8442), (2682, 7973), (2814, 7599), (3129, 6834), (3417, 6258), (4221, 5066)]